Home / 3,943.72-5,915.85-1,022.05

Finding the Fourth Proportional to 3,943.72, 5,915.85 and 1,022.05

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Solution

The fourth proportional to 3,943.72, 5,915.85 and 1,022.05 is: 1,533.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.72 : 5,915.85 = 1,022.05 : x
  2. Step 2: Convert to fraction form
    3,943.72/5,915.85 = 1,022.05/x
  3. Step 3: Cross multiply
    3,943.72x = 5,915.85 × 1,022.05
  4. Step 4: Simplify right side
    3,943.72x = 6,046,294.49
  5. Step 5: Solve for x
    x = 6,046,294.49/3,943.72
  6. Step 6: Final answer
    x = 1,533.14

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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.