Home / 2,407.12-3,609.92-1,252.24

Finding the Fourth Proportional to 2,407.12, 3,609.92 and 1,252.24

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Solution

The fourth proportional to 2,407.12, 3,609.92 and 1,252.24 is: 1,877.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.12 : 3,609.92 = 1,252.24 : x
  2. Step 2: Convert to fraction form
    2,407.12/3,609.92 = 1,252.24/x
  3. Step 3: Cross multiply
    2,407.12x = 3,609.92 × 1,252.24
  4. Step 4: Simplify right side
    2,407.12x = 4,520,486.22
  5. Step 5: Solve for x
    x = 4,520,486.22/2,407.12
  6. Step 6: Final answer
    x = 1,877.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.