Home / 2,989.18-4,475.24-2,373.78

Finding the Fourth Proportional to 2,989.18, 4,475.24 and 2,373.78

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Solution

The fourth proportional to 2,989.18, 4,475.24 and 2,373.78 is: 3,553.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.18 : 4,475.24 = 2,373.78 : x
  2. Step 2: Convert to fraction form
    2,989.18/4,475.24 = 2,373.78/x
  3. Step 3: Cross multiply
    2,989.18x = 4,475.24 × 2,373.78
  4. Step 4: Simplify right side
    2,989.18x = 10,623,235.21
  5. Step 5: Solve for x
    x = 10,623,235.21/2,989.18
  6. Step 6: Final answer
    x = 3,553.90

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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.