Home / 3,032.87-4,545.81-1,389.59

Finding the Fourth Proportional to 3,032.87, 4,545.81 and 1,389.59

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Solution

The fourth proportional to 3,032.87, 4,545.81 and 1,389.59 is: 2,082.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,032.87 : 4,545.81 = 1,389.59 : x
  2. Step 2: Convert to fraction form
    3,032.87/4,545.81 = 1,389.59/x
  3. Step 3: Cross multiply
    3,032.87x = 4,545.81 × 1,389.59
  4. Step 4: Simplify right side
    3,032.87x = 6,316,789.39
  5. Step 5: Solve for x
    x = 6,316,789.39/3,032.87
  6. Step 6: Final answer
    x = 2,082.78

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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.