Home / 3,553.30-4,898.44-2,487.78

Finding the Fourth Proportional to 3,553.30, 4,898.44 and 2,487.78

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Solution

The fourth proportional to 3,553.30, 4,898.44 and 2,487.78 is: 3,429.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.30 : 4,898.44 = 2,487.78 : x
  2. Step 2: Convert to fraction form
    3,553.30/4,898.44 = 2,487.78/x
  3. Step 3: Cross multiply
    3,553.30x = 4,898.44 × 2,487.78
  4. Step 4: Simplify right side
    3,553.30x = 12,186,241.06
  5. Step 5: Solve for x
    x = 12,186,241.06/3,553.30
  6. Step 6: Final answer
    x = 3,429.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.