Home / 3,877.98-5,817.50-1,412.52

Finding the Fourth Proportional to 3,877.98, 5,817.50 and 1,412.52

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Solution

The fourth proportional to 3,877.98, 5,817.50 and 1,412.52 is: 2,118.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.98 : 5,817.50 = 1,412.52 : x
  2. Step 2: Convert to fraction form
    3,877.98/5,817.50 = 1,412.52/x
  3. Step 3: Cross multiply
    3,877.98x = 5,817.50 × 1,412.52
  4. Step 4: Simplify right side
    3,877.98x = 8,217,335.10
  5. Step 5: Solve for x
    x = 8,217,335.10/3,877.98
  6. Step 6: Final answer
    x = 2,118.97

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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.