Home / 3,199.76-4,411.56-2,149.52

Finding the Fourth Proportional to 3,199.76, 4,411.56 and 2,149.52

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Solution

The fourth proportional to 3,199.76, 4,411.56 and 2,149.52 is: 2,963.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.76 : 4,411.56 = 2,149.52 : x
  2. Step 2: Convert to fraction form
    3,199.76/4,411.56 = 2,149.52/x
  3. Step 3: Cross multiply
    3,199.76x = 4,411.56 × 2,149.52
  4. Step 4: Simplify right side
    3,199.76x = 9,482,736.45
  5. Step 5: Solve for x
    x = 9,482,736.45/3,199.76
  6. Step 6: Final answer
    x = 2,963.58

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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.