Home / 3,030.13-4,545.20-1,299.97

Finding the Fourth Proportional to 3,030.13, 4,545.20 and 1,299.97

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Solution

The fourth proportional to 3,030.13, 4,545.20 and 1,299.97 is: 1,949.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.13 : 4,545.20 = 1,299.97 : x
  2. Step 2: Convert to fraction form
    3,030.13/4,545.20 = 1,299.97/x
  3. Step 3: Cross multiply
    3,030.13x = 4,545.20 × 1,299.97
  4. Step 4: Simplify right side
    3,030.13x = 5,908,623.64
  5. Step 5: Solve for x
    x = 5,908,623.64/3,030.13
  6. Step 6: Final answer
    x = 1,949.96

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Similar ratio
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1.5x scale

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.