Home / 2,226.91-3,073.18-1,442.32

Finding the Fourth Proportional to 2,226.91, 3,073.18 and 1,442.32

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Solution

The fourth proportional to 2,226.91, 3,073.18 and 1,442.32 is: 1,990.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.91 : 3,073.18 = 1,442.32 : x
  2. Step 2: Convert to fraction form
    2,226.91/3,073.18 = 1,442.32/x
  3. Step 3: Cross multiply
    2,226.91x = 3,073.18 × 1,442.32
  4. Step 4: Simplify right side
    2,226.91x = 4,432,512.58
  5. Step 5: Solve for x
    x = 4,432,512.58/2,226.91
  6. Step 6: Final answer
    x = 1,990.43

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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.