Home / 3,047.30-4,201.36-2,499.57

Finding the Fourth Proportional to 3,047.30, 4,201.36 and 2,499.57

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Solution

The fourth proportional to 3,047.30, 4,201.36 and 2,499.57 is: 3,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.30 : 4,201.36 = 2,499.57 : x
  2. Step 2: Convert to fraction form
    3,047.30/4,201.36 = 2,499.57/x
  3. Step 3: Cross multiply
    3,047.30x = 4,201.36 × 2,499.57
  4. Step 4: Simplify right side
    3,047.30x = 10,501,593.42
  5. Step 5: Solve for x
    x = 10,501,593.42/3,047.30
  6. Step 6: Final answer
    x = 3,446.20

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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.