Home / 3,753.40-5,176.82-2,259.76

Finding the Fourth Proportional to 3,753.40, 5,176.82 and 2,259.76

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Solution

The fourth proportional to 3,753.40, 5,176.82 and 2,259.76 is: 3,116.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.40 : 5,176.82 = 2,259.76 : x
  2. Step 2: Convert to fraction form
    3,753.40/5,176.82 = 2,259.76/x
  3. Step 3: Cross multiply
    3,753.40x = 5,176.82 × 2,259.76
  4. Step 4: Simplify right side
    3,753.40x = 11,698,370.76
  5. Step 5: Solve for x
    x = 11,698,370.76/3,753.40
  6. Step 6: Final answer
    x = 3,116.74

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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.