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Finding the Fourth Proportional to 2,575.80, 3,844.80 and 2,247.48

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Solution

The fourth proportional to 2,575.80, 3,844.80 and 2,247.48 is: 3,354.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.80 : 3,844.80 = 2,247.48 : x
  2. Step 2: Convert to fraction form
    2,575.80/3,844.80 = 2,247.48/x
  3. Step 3: Cross multiply
    2,575.80x = 3,844.80 × 2,247.48
  4. Step 4: Simplify right side
    2,575.80x = 8,641,111.10
  5. Step 5: Solve for x
    x = 8,641,111.10/2,575.80
  6. Step 6: Final answer
    x = 3,354.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.