Home / 3,248.29-4,483.11-2,130.90

Finding the Fourth Proportional to 3,248.29, 4,483.11 and 2,130.90

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Solution

The fourth proportional to 3,248.29, 4,483.11 and 2,130.90 is: 2,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.29 : 4,483.11 = 2,130.90 : x
  2. Step 2: Convert to fraction form
    3,248.29/4,483.11 = 2,130.90/x
  3. Step 3: Cross multiply
    3,248.29x = 4,483.11 × 2,130.90
  4. Step 4: Simplify right side
    3,248.29x = 9,553,059.10
  5. Step 5: Solve for x
    x = 9,553,059.10/3,248.29
  6. Step 6: Final answer
    x = 2,940.95

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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.