Home / 3,982.95-5,497.08-2,867.58

Finding the Fourth Proportional to 3,982.95, 5,497.08 and 2,867.58

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Solution

The fourth proportional to 3,982.95, 5,497.08 and 2,867.58 is: 3,957.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.95 : 5,497.08 = 2,867.58 : x
  2. Step 2: Convert to fraction form
    3,982.95/5,497.08 = 2,867.58/x
  3. Step 3: Cross multiply
    3,982.95x = 5,497.08 × 2,867.58
  4. Step 4: Simplify right side
    3,982.95x = 15,763,316.67
  5. Step 5: Solve for x
    x = 15,763,316.67/3,982.95
  6. Step 6: Final answer
    x = 3,957.70

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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.