Home / 3,280.67-4,525.17-2,103.20

Finding the Fourth Proportional to 3,280.67, 4,525.17 and 2,103.20

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Solution

The fourth proportional to 3,280.67, 4,525.17 and 2,103.20 is: 2,901.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.67 : 4,525.17 = 2,103.20 : x
  2. Step 2: Convert to fraction form
    3,280.67/4,525.17 = 2,103.20/x
  3. Step 3: Cross multiply
    3,280.67x = 4,525.17 × 2,103.20
  4. Step 4: Simplify right side
    3,280.67x = 9,517,337.54
  5. Step 5: Solve for x
    x = 9,517,337.54/3,280.67
  6. Step 6: Final answer
    x = 2,901.03

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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.