Home / 1,545.18-2,132.33-837.01

Finding the Fourth Proportional to 1,545.18, 2,132.33 and 837.01

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Solution

The fourth proportional to 1,545.18, 2,132.33 and 837.01 is: 1,155.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.18 : 2,132.33 = 837.01 : x
  2. Step 2: Convert to fraction form
    1,545.18/2,132.33 = 837.01/x
  3. Step 3: Cross multiply
    1,545.18x = 2,132.33 × 837.01
  4. Step 4: Simplify right side
    1,545.18x = 1,784,778.29
  5. Step 5: Solve for x
    x = 1,784,778.29/1,545.18
  6. Step 6: Final answer
    x = 1,155.06

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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.