Home / 1,545.39-2,318.88-571.77

Finding the Fourth Proportional to 1,545.39, 2,318.88 and 571.77

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Solution

The fourth proportional to 1,545.39, 2,318.88 and 571.77 is: 857.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.39 : 2,318.88 = 571.77 : x
  2. Step 2: Convert to fraction form
    1,545.39/2,318.88 = 571.77/x
  3. Step 3: Cross multiply
    1,545.39x = 2,318.88 × 571.77
  4. Step 4: Simplify right side
    1,545.39x = 1,325,866.02
  5. Step 5: Solve for x
    x = 1,325,866.02/1,545.39
  6. Step 6: Final answer
    x = 857.95

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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.