Home / 3,752.20-5,180.08-2,260.48

Finding the Fourth Proportional to 3,752.20, 5,180.08 and 2,260.48

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Solution

The fourth proportional to 3,752.20, 5,180.08 and 2,260.48 is: 3,120.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.20 : 5,180.08 = 2,260.48 : x
  2. Step 2: Convert to fraction form
    3,752.20/5,180.08 = 2,260.48/x
  3. Step 3: Cross multiply
    3,752.20x = 5,180.08 × 2,260.48
  4. Step 4: Simplify right side
    3,752.20x = 11,709,467.24
  5. Step 5: Solve for x
    x = 11,709,467.24/3,752.20
  6. Step 6: Final answer
    x = 3,120.69

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Half scale
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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.