Home / 3,742.02-5,156.64-2,481.66

Finding the Fourth Proportional to 3,742.02, 5,156.64 and 2,481.66

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Solution

The fourth proportional to 3,742.02, 5,156.64 and 2,481.66 is: 3,419.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.02 : 5,156.64 = 2,481.66 : x
  2. Step 2: Convert to fraction form
    3,742.02/5,156.64 = 2,481.66/x
  3. Step 3: Cross multiply
    3,742.02x = 5,156.64 × 2,481.66
  4. Step 4: Simplify right side
    3,742.02x = 12,797,027.22
  5. Step 5: Solve for x
    x = 12,797,027.22/3,742.02
  6. Step 6: Final answer
    x = 3,419.82

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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.