Home / 3,257.60-4,883.65-2,639.77

Finding the Fourth Proportional to 3,257.60, 4,883.65 and 2,639.77

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Solution

The fourth proportional to 3,257.60, 4,883.65 and 2,639.77 is: 3,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.60 : 4,883.65 = 2,639.77 : x
  2. Step 2: Convert to fraction form
    3,257.60/4,883.65 = 2,639.77/x
  3. Step 3: Cross multiply
    3,257.60x = 4,883.65 × 2,639.77
  4. Step 4: Simplify right side
    3,257.60x = 12,891,712.76
  5. Step 5: Solve for x
    x = 12,891,712.76/3,257.60
  6. Step 6: Final answer
    x = 3,957.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.