Home / 1,030.12-1,545.33-336.65

Finding the Fourth Proportional to 1,030.12, 1,545.33 and 336.65

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Solution

The fourth proportional to 1,030.12, 1,545.33 and 336.65 is: 505.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030.12 : 1,545.33 = 336.65 : x
  2. Step 2: Convert to fraction form
    1,030.12/1,545.33 = 336.65/x
  3. Step 3: Cross multiply
    1,030.12x = 1,545.33 × 336.65
  4. Step 4: Simplify right side
    1,030.12x = 520,227.62
  5. Step 5: Solve for x
    x = 520,227.62/1,030.12
  6. Step 6: Final answer
    x = 505.02

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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.