Home / 2,545.58-3,818.22-814.07

Finding the Fourth Proportional to 2,545.58, 3,818.22 and 814.07

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Solution

The fourth proportional to 2,545.58, 3,818.22 and 814.07 is: 1,221.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.58 : 3,818.22 = 814.07 : x
  2. Step 2: Convert to fraction form
    2,545.58/3,818.22 = 814.07/x
  3. Step 3: Cross multiply
    2,545.58x = 3,818.22 × 814.07
  4. Step 4: Simplify right side
    2,545.58x = 3,108,279.26
  5. Step 5: Solve for x
    x = 3,108,279.26/2,545.58
  6. Step 6: Final answer
    x = 1,221.05

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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.