Home / 4,177.30-6,257.43-1,979.35

Finding the Fourth Proportional to 4,177.30, 6,257.43 and 1,979.35

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Solution

The fourth proportional to 4,177.30, 6,257.43 and 1,979.35 is: 2,964.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,177.30 : 6,257.43 = 1,979.35 : x
  2. Step 2: Convert to fraction form
    4,177.30/6,257.43 = 1,979.35/x
  3. Step 3: Cross multiply
    4,177.30x = 6,257.43 × 1,979.35
  4. Step 4: Simplify right side
    4,177.30x = 12,385,644.07
  5. Step 5: Solve for x
    x = 12,385,644.07/4,177.30
  6. Step 6: Final answer
    x = 2,964.99

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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.