Home / 1,425.04-2,137.66-500.49

Finding the Fourth Proportional to 1,425.04, 2,137.66 and 500.49

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Solution

The fourth proportional to 1,425.04, 2,137.66 and 500.49 is: 750.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425.04 : 2,137.66 = 500.49 : x
  2. Step 2: Convert to fraction form
    1,425.04/2,137.66 = 500.49/x
  3. Step 3: Cross multiply
    1,425.04x = 2,137.66 × 500.49
  4. Step 4: Simplify right side
    1,425.04x = 1,069,876.20
  5. Step 5: Solve for x
    x = 1,069,876.20/1,425.04
  6. Step 6: Final answer
    x = 750.77

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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.