Home / 3,127.60-4,692.32-1,877.88

Finding the Fourth Proportional to 3,127.60, 4,692.32 and 1,877.88

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Solution

The fourth proportional to 3,127.60, 4,692.32 and 1,877.88 is: 2,817.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.60 : 4,692.32 = 1,877.88 : x
  2. Step 2: Convert to fraction form
    3,127.60/4,692.32 = 1,877.88/x
  3. Step 3: Cross multiply
    3,127.60x = 4,692.32 × 1,877.88
  4. Step 4: Simplify right side
    3,127.60x = 8,811,613.88
  5. Step 5: Solve for x
    x = 8,811,613.88/3,127.60
  6. Step 6: Final answer
    x = 2,817.37

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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.