Home / 1,358.46-2,037.72-434.02

Finding the Fourth Proportional to 1,358.46, 2,037.72 and 434.02

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Solution

The fourth proportional to 1,358.46, 2,037.72 and 434.02 is: 651.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358.46 : 2,037.72 = 434.02 : x
  2. Step 2: Convert to fraction form
    1,358.46/2,037.72 = 434.02/x
  3. Step 3: Cross multiply
    1,358.46x = 2,037.72 × 434.02
  4. Step 4: Simplify right side
    1,358.46x = 884,411.23
  5. Step 5: Solve for x
    x = 884,411.23/1,358.46
  6. Step 6: Final answer
    x = 651.04

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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.