Home / 3,134.61-4,326.48-1,876.41

Finding the Fourth Proportional to 3,134.61, 4,326.48 and 1,876.41

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Solution

The fourth proportional to 3,134.61, 4,326.48 and 1,876.41 is: 2,589.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.61 : 4,326.48 = 1,876.41 : x
  2. Step 2: Convert to fraction form
    3,134.61/4,326.48 = 1,876.41/x
  3. Step 3: Cross multiply
    3,134.61x = 4,326.48 × 1,876.41
  4. Step 4: Simplify right side
    3,134.61x = 8,118,250.34
  5. Step 5: Solve for x
    x = 8,118,250.34/3,134.61
  6. Step 6: Final answer
    x = 2,589.88

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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.