Home / 3,752.30-5,178.40-2,260.82

Finding the Fourth Proportional to 3,752.30, 5,178.40 and 2,260.82

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Solution

The fourth proportional to 3,752.30, 5,178.40 and 2,260.82 is: 3,120.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.30 : 5,178.40 = 2,260.82 : x
  2. Step 2: Convert to fraction form
    3,752.30/5,178.40 = 2,260.82/x
  3. Step 3: Cross multiply
    3,752.30x = 5,178.40 × 2,260.82
  4. Step 4: Simplify right side
    3,752.30x = 11,707,430.29
  5. Step 5: Solve for x
    x = 11,707,430.29/3,752.30
  6. Step 6: Final answer
    x = 3,120.07

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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.