Home / 2,332.71-3,221.82-1,545.39

Finding the Fourth Proportional to 2,332.71, 3,221.82 and 1,545.39

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Solution

The fourth proportional to 2,332.71, 3,221.82 and 1,545.39 is: 2,134.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.71 : 3,221.82 = 1,545.39 : x
  2. Step 2: Convert to fraction form
    2,332.71/3,221.82 = 1,545.39/x
  3. Step 3: Cross multiply
    2,332.71x = 3,221.82 × 1,545.39
  4. Step 4: Simplify right side
    2,332.71x = 4,978,968.41
  5. Step 5: Solve for x
    x = 4,978,968.41/2,332.71
  6. Step 6: Final answer
    x = 2,134.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.