Home / 2,460.32-3,690.48-1,161.92

Finding the Fourth Proportional to 2,460.32, 3,690.48 and 1,161.92

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Solution

The fourth proportional to 2,460.32, 3,690.48 and 1,161.92 is: 1,742.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460.32 : 3,690.48 = 1,161.92 : x
  2. Step 2: Convert to fraction form
    2,460.32/3,690.48 = 1,161.92/x
  3. Step 3: Cross multiply
    2,460.32x = 3,690.48 × 1,161.92
  4. Step 4: Simplify right side
    2,460.32x = 4,288,042.52
  5. Step 5: Solve for x
    x = 4,288,042.52/2,460.32
  6. Step 6: Final answer
    x = 1,742.88

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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.