Home / 2,675.14-4,012.40-1,031.55

Finding the Fourth Proportional to 2,675.14, 4,012.40 and 1,031.55

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Solution

The fourth proportional to 2,675.14, 4,012.40 and 1,031.55 is: 1,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.14 : 4,012.40 = 1,031.55 : x
  2. Step 2: Convert to fraction form
    2,675.14/4,012.40 = 1,031.55/x
  3. Step 3: Cross multiply
    2,675.14x = 4,012.40 × 1,031.55
  4. Step 4: Simplify right side
    2,675.14x = 4,138,978.75
  5. Step 5: Solve for x
    x = 4,138,978.75/2,675.14
  6. Step 6: Final answer
    x = 1,547.20

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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.