Home / 2,927.03-4,387.79-1,171.55

Finding the Fourth Proportional to 2,927.03, 4,387.79 and 1,171.55

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Solution

The fourth proportional to 2,927.03, 4,387.79 and 1,171.55 is: 1,756.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.03 : 4,387.79 = 1,171.55 : x
  2. Step 2: Convert to fraction form
    2,927.03/4,387.79 = 1,171.55/x
  3. Step 3: Cross multiply
    2,927.03x = 4,387.79 × 1,171.55
  4. Step 4: Simplify right side
    2,927.03x = 5,140,487.58
  5. Step 5: Solve for x
    x = 5,140,487.58/2,927.03
  6. Step 6: Final answer
    x = 1,756.22

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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.