Home / 2,306.16-3,180.60-1,422.18

Finding the Fourth Proportional to 2,306.16, 3,180.60 and 1,422.18

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Solution

The fourth proportional to 2,306.16, 3,180.60 and 1,422.18 is: 1,961.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.16 : 3,180.60 = 1,422.18 : x
  2. Step 2: Convert to fraction form
    2,306.16/3,180.60 = 1,422.18/x
  3. Step 3: Cross multiply
    2,306.16x = 3,180.60 × 1,422.18
  4. Step 4: Simplify right side
    2,306.16x = 4,523,385.71
  5. Step 5: Solve for x
    x = 4,523,385.71/2,306.16
  6. Step 6: Final answer
    x = 1,961.44

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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.