Home / 3,247.14-4,872.10-1,298.82

Finding the Fourth Proportional to 3,247.14, 4,872.10 and 1,298.82

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Solution

The fourth proportional to 3,247.14, 4,872.10 and 1,298.82 is: 1,948.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.14 : 4,872.10 = 1,298.82 : x
  2. Step 2: Convert to fraction form
    3,247.14/4,872.10 = 1,298.82/x
  3. Step 3: Cross multiply
    3,247.14x = 4,872.10 × 1,298.82
  4. Step 4: Simplify right side
    3,247.14x = 6,327,980.92
  5. Step 5: Solve for x
    x = 6,327,980.92/3,247.14
  6. Step 6: Final answer
    x = 1,948.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.