Home / 1,030.42-1,545.68-337.11

Finding the Fourth Proportional to 1,030.42, 1,545.68 and 337.11

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Solution

The fourth proportional to 1,030.42, 1,545.68 and 337.11 is: 505.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030.42 : 1,545.68 = 337.11 : x
  2. Step 2: Convert to fraction form
    1,030.42/1,545.68 = 337.11/x
  3. Step 3: Cross multiply
    1,030.42x = 1,545.68 × 337.11
  4. Step 4: Simplify right side
    1,030.42x = 521,067.93
  5. Step 5: Solve for x
    x = 521,067.93/1,030.42
  6. Step 6: Final answer
    x = 505.68

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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.