Home / 2,724.06-4,082.40-1,422.84

Finding the Fourth Proportional to 2,724.06, 4,082.40 and 1,422.84

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Solution

The fourth proportional to 2,724.06, 4,082.40 and 1,422.84 is: 2,132.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.06 : 4,082.40 = 1,422.84 : x
  2. Step 2: Convert to fraction form
    2,724.06/4,082.40 = 1,422.84/x
  3. Step 3: Cross multiply
    2,724.06x = 4,082.40 × 1,422.84
  4. Step 4: Simplify right side
    2,724.06x = 5,808,602.02
  5. Step 5: Solve for x
    x = 5,808,602.02/2,724.06
  6. Step 6: Final answer
    x = 2,132.33

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1.5x scale

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.