Home / 2,949.28-4,423.90-2,801.45

Finding the Fourth Proportional to 2,949.28, 4,423.90 and 2,801.45

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Solution

The fourth proportional to 2,949.28, 4,423.90 and 2,801.45 is: 4,202.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.28 : 4,423.90 = 2,801.45 : x
  2. Step 2: Convert to fraction form
    2,949.28/4,423.90 = 2,801.45/x
  3. Step 3: Cross multiply
    2,949.28x = 4,423.90 × 2,801.45
  4. Step 4: Simplify right side
    2,949.28x = 12,393,343.96
  5. Step 5: Solve for x
    x = 12,393,343.96/2,949.28
  6. Step 6: Final answer
    x = 4,202.16

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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.