Home / 3,729.90-5,147.54-2,468.76

Finding the Fourth Proportional to 3,729.90, 5,147.54 and 2,468.76

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Solution

The fourth proportional to 3,729.90, 5,147.54 and 2,468.76 is: 3,407.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.90 : 5,147.54 = 2,468.76 : x
  2. Step 2: Convert to fraction form
    3,729.90/5,147.54 = 2,468.76/x
  3. Step 3: Cross multiply
    3,729.90x = 5,147.54 × 2,468.76
  4. Step 4: Simplify right side
    3,729.90x = 12,708,028.51
  5. Step 5: Solve for x
    x = 12,708,028.51/3,729.90
  6. Step 6: Final answer
    x = 3,407.07

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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.