Home / 2,660.32-3,671.68-2,217.52

Finding the Fourth Proportional to 2,660.32, 3,671.68 and 2,217.52

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Solution

The fourth proportional to 2,660.32, 3,671.68 and 2,217.52 is: 3,060.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.32 : 3,671.68 = 2,217.52 : x
  2. Step 2: Convert to fraction form
    2,660.32/3,671.68 = 2,217.52/x
  3. Step 3: Cross multiply
    2,660.32x = 3,671.68 × 2,217.52
  4. Step 4: Simplify right side
    2,660.32x = 8,142,023.83
  5. Step 5: Solve for x
    x = 8,142,023.83/2,660.32
  6. Step 6: Final answer
    x = 3,060.54

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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.