Home / 2,282.28-3,148.27-1,442.66

Finding the Fourth Proportional to 2,282.28, 3,148.27 and 1,442.66

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Solution

The fourth proportional to 2,282.28, 3,148.27 and 1,442.66 is: 1,990.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.28 : 3,148.27 = 1,442.66 : x
  2. Step 2: Convert to fraction form
    2,282.28/3,148.27 = 1,442.66/x
  3. Step 3: Cross multiply
    2,282.28x = 3,148.27 × 1,442.66
  4. Step 4: Simplify right side
    2,282.28x = 4,541,881.56
  5. Step 5: Solve for x
    x = 4,541,881.56/2,282.28
  6. Step 6: Final answer
    x = 1,990.07

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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.