Home / 2,452.28-3,384.32-1,390.04

Finding the Fourth Proportional to 2,452.28, 3,384.32 and 1,390.04

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Solution

The fourth proportional to 2,452.28, 3,384.32 and 1,390.04 is: 1,918.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,452.28 : 3,384.32 = 1,390.04 : x
  2. Step 2: Convert to fraction form
    2,452.28/3,384.32 = 1,390.04/x
  3. Step 3: Cross multiply
    2,452.28x = 3,384.32 × 1,390.04
  4. Step 4: Simplify right side
    2,452.28x = 4,704,340.17
  5. Step 5: Solve for x
    x = 4,704,340.17/2,452.28
  6. Step 6: Final answer
    x = 1,918.35

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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.