Home / 2,770.19-3,823.28-1,694.08

Finding the Fourth Proportional to 2,770.19, 3,823.28 and 1,694.08

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Solution

The fourth proportional to 2,770.19, 3,823.28 and 1,694.08 is: 2,338.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.19 : 3,823.28 = 1,694.08 : x
  2. Step 2: Convert to fraction form
    2,770.19/3,823.28 = 1,694.08/x
  3. Step 3: Cross multiply
    2,770.19x = 3,823.28 × 1,694.08
  4. Step 4: Simplify right side
    2,770.19x = 6,476,944.82
  5. Step 5: Solve for x
    x = 6,476,944.82/2,770.19
  6. Step 6: Final answer
    x = 2,338.09

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Half scale
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Double scale
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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.