Home / 1,282.59-1,924.21-358.15

Finding the Fourth Proportional to 1,282.59, 1,924.21 and 358.15

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Solution

The fourth proportional to 1,282.59, 1,924.21 and 358.15 is: 537.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282.59 : 1,924.21 = 358.15 : x
  2. Step 2: Convert to fraction form
    1,282.59/1,924.21 = 358.15/x
  3. Step 3: Cross multiply
    1,282.59x = 1,924.21 × 358.15
  4. Step 4: Simplify right side
    1,282.59x = 689,155.06
  5. Step 5: Solve for x
    x = 689,155.06/1,282.59
  6. Step 6: Final answer
    x = 537.32

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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.