Home / 2,675.20-4,011.88-1,031.61

Finding the Fourth Proportional to 2,675.20, 4,011.88 and 1,031.61

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Solution

The fourth proportional to 2,675.20, 4,011.88 and 1,031.61 is: 1,547.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.20 : 4,011.88 = 1,031.61 : x
  2. Step 2: Convert to fraction form
    2,675.20/4,011.88 = 1,031.61/x
  3. Step 3: Cross multiply
    2,675.20x = 4,011.88 × 1,031.61
  4. Step 4: Simplify right side
    2,675.20x = 4,138,695.53
  5. Step 5: Solve for x
    x = 4,138,695.53/2,675.20
  6. Step 6: Final answer
    x = 1,547.06

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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.