Home / 2,972.16-4,101.84-2,531.52

Finding the Fourth Proportional to 2,972.16, 4,101.84 and 2,531.52

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Solution

The fourth proportional to 2,972.16, 4,101.84 and 2,531.52 is: 3,493.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.16 : 4,101.84 = 2,531.52 : x
  2. Step 2: Convert to fraction form
    2,972.16/4,101.84 = 2,531.52/x
  3. Step 3: Cross multiply
    2,972.16x = 4,101.84 × 2,531.52
  4. Step 4: Simplify right side
    2,972.16x = 10,383,890.00
  5. Step 5: Solve for x
    x = 10,383,890.00/2,972.16
  6. Step 6: Final answer
    x = 3,493.72

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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.