Home / 4,170.79-6,257.13-1,948

Finding the Fourth Proportional to 4,170.79, 6,257.13 and 1,948

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Solution

The fourth proportional to 4,170.79, 6,257.13 and 1,948 is: 2,922.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.79 : 6,257.13 = 1,948 : x
  2. Step 2: Convert to fraction form
    4,170.79/6,257.13 = 1,948/x
  3. Step 3: Cross multiply
    4,170.79x = 6,257.13 × 1,948
  4. Step 4: Simplify right side
    4,170.79x = 12,188,889.24
  5. Step 5: Solve for x
    x = 12,188,889.24/4,170.79
  6. Step 6: Final answer
    x = 2,922.44

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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.