Home / 3,029.04-4,543.55-807.87

Finding the Fourth Proportional to 3,029.04, 4,543.55 and 807.87

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Solution

The fourth proportional to 3,029.04, 4,543.55 and 807.87 is: 1,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029.04 : 4,543.55 = 807.87 : x
  2. Step 2: Convert to fraction form
    3,029.04/4,543.55 = 807.87/x
  3. Step 3: Cross multiply
    3,029.04x = 4,543.55 × 807.87
  4. Step 4: Simplify right side
    3,029.04x = 3,670,593.70
  5. Step 5: Solve for x
    x = 3,670,593.70/3,029.04
  6. Step 6: Final answer
    x = 1,211.80

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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.