Home / 3,144.44-4,338.15-1,948.88

Finding the Fourth Proportional to 3,144.44, 4,338.15 and 1,948.88

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Solution

The fourth proportional to 3,144.44, 4,338.15 and 1,948.88 is: 2,688.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.44 : 4,338.15 = 1,948.88 : x
  2. Step 2: Convert to fraction form
    3,144.44/4,338.15 = 1,948.88/x
  3. Step 3: Cross multiply
    3,144.44x = 4,338.15 × 1,948.88
  4. Step 4: Simplify right side
    3,144.44x = 8,454,533.77
  5. Step 5: Solve for x
    x = 8,454,533.77/3,144.44
  6. Step 6: Final answer
    x = 2,688.72

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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.