Home / 3,553.40-5,330.10-2,937.80

Finding the Fourth Proportional to 3,553.40, 5,330.10 and 2,937.80

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Solution

The fourth proportional to 3,553.40, 5,330.10 and 2,937.80 is: 4,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.40 : 5,330.10 = 2,937.80 : x
  2. Step 2: Convert to fraction form
    3,553.40/5,330.10 = 2,937.80/x
  3. Step 3: Cross multiply
    3,553.40x = 5,330.10 × 2,937.80
  4. Step 4: Simplify right side
    3,553.40x = 15,658,767.78
  5. Step 5: Solve for x
    x = 15,658,767.78/3,553.40
  6. Step 6: Final answer
    x = 4,406.70

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1.5x scale

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.