Home / 3,742.20-5,165.10-2,326.68

Finding the Fourth Proportional to 3,742.20, 5,165.10 and 2,326.68

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Solution

The fourth proportional to 3,742.20, 5,165.10 and 2,326.68 is: 3,211.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.20 : 5,165.10 = 2,326.68 : x
  2. Step 2: Convert to fraction form
    3,742.20/5,165.10 = 2,326.68/x
  3. Step 3: Cross multiply
    3,742.20x = 5,165.10 × 2,326.68
  4. Step 4: Simplify right side
    3,742.20x = 12,017,534.87
  5. Step 5: Solve for x
    x = 12,017,534.87/3,742.20
  6. Step 6: Final answer
    x = 3,211.36

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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.