Home / 1,349.06-2,023.55-424.62

Finding the Fourth Proportional to 1,349.06, 2,023.55 and 424.62

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Solution

The fourth proportional to 1,349.06, 2,023.55 and 424.62 is: 636.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.06 : 2,023.55 = 424.62 : x
  2. Step 2: Convert to fraction form
    1,349.06/2,023.55 = 424.62/x
  3. Step 3: Cross multiply
    1,349.06x = 2,023.55 × 424.62
  4. Step 4: Simplify right side
    1,349.06x = 859,240.86
  5. Step 5: Solve for x
    x = 859,240.86/1,349.06
  6. Step 6: Final answer
    x = 636.92

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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.