Home / 2,545.04-3,817.62-813.66

Finding the Fourth Proportional to 2,545.04, 3,817.62 and 813.66

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Solution

The fourth proportional to 2,545.04, 3,817.62 and 813.66 is: 1,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.04 : 3,817.62 = 813.66 : x
  2. Step 2: Convert to fraction form
    2,545.04/3,817.62 = 813.66/x
  3. Step 3: Cross multiply
    2,545.04x = 3,817.62 × 813.66
  4. Step 4: Simplify right side
    2,545.04x = 3,106,244.69
  5. Step 5: Solve for x
    x = 3,106,244.69/2,545.04
  6. Step 6: Final answer
    x = 1,220.51

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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.