Home / 2,545.62-3,813.23-1,310.43

Finding the Fourth Proportional to 2,545.62, 3,813.23 and 1,310.43

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Solution

The fourth proportional to 2,545.62, 3,813.23 and 1,310.43 is: 1,962.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.62 : 3,813.23 = 1,310.43 : x
  2. Step 2: Convert to fraction form
    2,545.62/3,813.23 = 1,310.43/x
  3. Step 3: Cross multiply
    2,545.62x = 3,813.23 × 1,310.43
  4. Step 4: Simplify right side
    2,545.62x = 4,996,970.47
  5. Step 5: Solve for x
    x = 4,996,970.47/2,545.62
  6. Step 6: Final answer
    x = 1,962.97

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1.5x scale

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.