Home / 3,943.38-5,915.07-1,346.25

Finding the Fourth Proportional to 3,943.38, 5,915.07 and 1,346.25

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Solution

The fourth proportional to 3,943.38, 5,915.07 and 1,346.25 is: 2,019.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.38 : 5,915.07 = 1,346.25 : x
  2. Step 2: Convert to fraction form
    3,943.38/5,915.07 = 1,346.25/x
  3. Step 3: Cross multiply
    3,943.38x = 5,915.07 × 1,346.25
  4. Step 4: Simplify right side
    3,943.38x = 7,963,162.99
  5. Step 5: Solve for x
    x = 7,963,162.99/3,943.38
  6. Step 6: Final answer
    x = 2,019.38

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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.