Home / 3,280.28-4,528.30-2,102.02

Finding the Fourth Proportional to 3,280.28, 4,528.30 and 2,102.02

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Solution

The fourth proportional to 3,280.28, 4,528.30 and 2,102.02 is: 2,901.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.28 : 4,528.30 = 2,102.02 : x
  2. Step 2: Convert to fraction form
    3,280.28/4,528.30 = 2,102.02/x
  3. Step 3: Cross multiply
    3,280.28x = 4,528.30 × 2,102.02
  4. Step 4: Simplify right side
    3,280.28x = 9,518,577.17
  5. Step 5: Solve for x
    x = 9,518,577.17/3,280.28
  6. Step 6: Final answer
    x = 2,901.76

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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.