Home / 3,649.14-5,473.71-1,309.05

Finding the Fourth Proportional to 3,649.14, 5,473.71 and 1,309.05

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Solution

The fourth proportional to 3,649.14, 5,473.71 and 1,309.05 is: 1,963.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.14 : 5,473.71 = 1,309.05 : x
  2. Step 2: Convert to fraction form
    3,649.14/5,473.71 = 1,309.05/x
  3. Step 3: Cross multiply
    3,649.14x = 5,473.71 × 1,309.05
  4. Step 4: Simplify right side
    3,649.14x = 7,165,360.08
  5. Step 5: Solve for x
    x = 7,165,360.08/3,649.14
  6. Step 6: Final answer
    x = 1,963.58

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.