Home / 3,752.40-5,627.70-1,154.76

Finding the Fourth Proportional to 3,752.40, 5,627.70 and 1,154.76

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Solution

The fourth proportional to 3,752.40, 5,627.70 and 1,154.76 is: 1,731.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.40 : 5,627.70 = 1,154.76 : x
  2. Step 2: Convert to fraction form
    3,752.40/5,627.70 = 1,154.76/x
  3. Step 3: Cross multiply
    3,752.40x = 5,627.70 × 1,154.76
  4. Step 4: Simplify right side
    3,752.40x = 6,498,642.85
  5. Step 5: Solve for x
    x = 6,498,642.85/3,752.40
  6. Step 6: Final answer
    x = 1,731.86

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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.