Home / 2,690.47-3,713.50-1,794.25

Finding the Fourth Proportional to 2,690.47, 3,713.50 and 1,794.25

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Solution

The fourth proportional to 2,690.47, 3,713.50 and 1,794.25 is: 2,476.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.47 : 3,713.50 = 1,794.25 : x
  2. Step 2: Convert to fraction form
    2,690.47/3,713.50 = 1,794.25/x
  3. Step 3: Cross multiply
    2,690.47x = 3,713.50 × 1,794.25
  4. Step 4: Simplify right side
    2,690.47x = 6,662,944.17
  5. Step 5: Solve for x
    x = 6,662,944.17/2,690.47
  6. Step 6: Final answer
    x = 2,476.50

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,691.47, 3,714.88 and 1,795.25
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.