Home / 1,545.48-2,132.90-846.96

Finding the Fourth Proportional to 1,545.48, 2,132.90 and 846.96

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Solution

The fourth proportional to 1,545.48, 2,132.90 and 846.96 is: 1,168.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.48 : 2,132.90 = 846.96 : x
  2. Step 2: Convert to fraction form
    1,545.48/2,132.90 = 846.96/x
  3. Step 3: Cross multiply
    1,545.48x = 2,132.90 × 846.96
  4. Step 4: Simplify right side
    1,545.48x = 1,806,480.98
  5. Step 5: Solve for x
    x = 1,806,480.98/1,545.48
  6. Step 6: Final answer
    x = 1,168.88

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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.