Home / 3,820.55-5,272.67-2,248.95

Finding the Fourth Proportional to 3,820.55, 5,272.67 and 2,248.95

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Solution

The fourth proportional to 3,820.55, 5,272.67 and 2,248.95 is: 3,103.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.55 : 5,272.67 = 2,248.95 : x
  2. Step 2: Convert to fraction form
    3,820.55/5,272.67 = 2,248.95/x
  3. Step 3: Cross multiply
    3,820.55x = 5,272.67 × 2,248.95
  4. Step 4: Simplify right side
    3,820.55x = 11,857,959.95
  5. Step 5: Solve for x
    x = 11,857,959.95/3,820.55
  6. Step 6: Final answer
    x = 3,103.74

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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.