Home / 3,915.10-5,874.24-2,358.28

Finding the Fourth Proportional to 3,915.10, 5,874.24 and 2,358.28

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Solution

The fourth proportional to 3,915.10, 5,874.24 and 2,358.28 is: 3,538.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915.10 : 5,874.24 = 2,358.28 : x
  2. Step 2: Convert to fraction form
    3,915.10/5,874.24 = 2,358.28/x
  3. Step 3: Cross multiply
    3,915.10x = 5,874.24 × 2,358.28
  4. Step 4: Simplify right side
    3,915.10x = 13,853,102.71
  5. Step 5: Solve for x
    x = 13,853,102.71/3,915.10
  6. Step 6: Final answer
    x = 3,538.38

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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.