Home / 3,752.40-5,179.77-3,358.74

Finding the Fourth Proportional to 3,752.40, 5,179.77 and 3,358.74

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Solution

The fourth proportional to 3,752.40, 5,179.77 and 3,358.74 is: 4,636.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.40 : 5,179.77 = 3,358.74 : x
  2. Step 2: Convert to fraction form
    3,752.40/5,179.77 = 3,358.74/x
  3. Step 3: Cross multiply
    3,752.40x = 5,179.77 × 3,358.74
  4. Step 4: Simplify right side
    3,752.40x = 17,397,500.69
  5. Step 5: Solve for x
    x = 17,397,500.69/3,752.40
  6. Step 6: Final answer
    x = 4,636.37

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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.