Home / 3,750.30-5,620.17-2,869.39

Finding the Fourth Proportional to 3,750.30, 5,620.17 and 2,869.39

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Solution

The fourth proportional to 3,750.30, 5,620.17 and 2,869.39 is: 4,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.30 : 5,620.17 = 2,869.39 : x
  2. Step 2: Convert to fraction form
    3,750.30/5,620.17 = 2,869.39/x
  3. Step 3: Cross multiply
    3,750.30x = 5,620.17 × 2,869.39
  4. Step 4: Simplify right side
    3,750.30x = 16,126,461.24
  5. Step 5: Solve for x
    x = 16,126,461.24/3,750.30
  6. Step 6: Final answer
    x = 4,300.05

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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.