Home / 3,127.36-4,692.28-1,180.08

Finding the Fourth Proportional to 3,127.36, 4,692.28 and 1,180.08

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Solution

The fourth proportional to 3,127.36, 4,692.28 and 1,180.08 is: 1,770.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.36 : 4,692.28 = 1,180.08 : x
  2. Step 2: Convert to fraction form
    3,127.36/4,692.28 = 1,180.08/x
  3. Step 3: Cross multiply
    3,127.36x = 4,692.28 × 1,180.08
  4. Step 4: Simplify right side
    3,127.36x = 5,537,265.78
  5. Step 5: Solve for x
    x = 5,537,265.78/3,127.36
  6. Step 6: Final answer
    x = 1,770.59

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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.