Home / 2,721.11-3,753.02-1,659.05

Finding the Fourth Proportional to 2,721.11, 3,753.02 and 1,659.05

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Solution

The fourth proportional to 2,721.11, 3,753.02 and 1,659.05 is: 2,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.11 : 3,753.02 = 1,659.05 : x
  2. Step 2: Convert to fraction form
    2,721.11/3,753.02 = 1,659.05/x
  3. Step 3: Cross multiply
    2,721.11x = 3,753.02 × 1,659.05
  4. Step 4: Simplify right side
    2,721.11x = 6,226,420.77
  5. Step 5: Solve for x
    x = 6,226,420.77/2,721.11
  6. Step 6: Final answer
    x = 2,288.20

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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.