Home / 3,763.98-5,191.56-2,271.24

Finding the Fourth Proportional to 3,763.98, 5,191.56 and 2,271.24

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Solution

The fourth proportional to 3,763.98, 5,191.56 and 2,271.24 is: 3,132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.98 : 5,191.56 = 2,271.24 : x
  2. Step 2: Convert to fraction form
    3,763.98/5,191.56 = 2,271.24/x
  3. Step 3: Cross multiply
    3,763.98x = 5,191.56 × 2,271.24
  4. Step 4: Simplify right side
    3,763.98x = 11,791,278.73
  5. Step 5: Solve for x
    x = 11,791,278.73/3,763.98
  6. Step 6: Final answer
    x = 3,132.66

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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.