Home / 3,972.90-5,482.52-2,204.46

Finding the Fourth Proportional to 3,972.90, 5,482.52 and 2,204.46

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Solution

The fourth proportional to 3,972.90, 5,482.52 and 2,204.46 is: 3,042.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.90 : 5,482.52 = 2,204.46 : x
  2. Step 2: Convert to fraction form
    3,972.90/5,482.52 = 2,204.46/x
  3. Step 3: Cross multiply
    3,972.90x = 5,482.52 × 2,204.46
  4. Step 4: Simplify right side
    3,972.90x = 12,085,985.02
  5. Step 5: Solve for x
    x = 12,085,985.02/3,972.90
  6. Step 6: Final answer
    x = 3,042.11

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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.