Home / 2,635.74-3,951.26-1,248.21

Finding the Fourth Proportional to 2,635.74, 3,951.26 and 1,248.21

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Solution

The fourth proportional to 2,635.74, 3,951.26 and 1,248.21 is: 1,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.74 : 3,951.26 = 1,248.21 : x
  2. Step 2: Convert to fraction form
    2,635.74/3,951.26 = 1,248.21/x
  3. Step 3: Cross multiply
    2,635.74x = 3,951.26 × 1,248.21
  4. Step 4: Simplify right side
    2,635.74x = 4,932,002.24
  5. Step 5: Solve for x
    x = 4,932,002.24/2,635.74
  6. Step 6: Final answer
    x = 1,871.20

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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.