Home / 1,545.80-2,316.67-1,339.52

Finding the Fourth Proportional to 1,545.80, 2,316.67 and 1,339.52

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Solution

The fourth proportional to 1,545.80, 2,316.67 and 1,339.52 is: 2,007.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.80 : 2,316.67 = 1,339.52 : x
  2. Step 2: Convert to fraction form
    1,545.80/2,316.67 = 1,339.52/x
  3. Step 3: Cross multiply
    1,545.80x = 2,316.67 × 1,339.52
  4. Step 4: Simplify right side
    1,545.80x = 3,103,210.87
  5. Step 5: Solve for x
    x = 3,103,210.87/1,545.80
  6. Step 6: Final answer
    x = 2,007.52

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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.