Home / 3,319.07-4,977.23-1,127.96

Finding the Fourth Proportional to 3,319.07, 4,977.23 and 1,127.96

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Solution

The fourth proportional to 3,319.07, 4,977.23 and 1,127.96 is: 1,691.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.07 : 4,977.23 = 1,127.96 : x
  2. Step 2: Convert to fraction form
    3,319.07/4,977.23 = 1,127.96/x
  3. Step 3: Cross multiply
    3,319.07x = 4,977.23 × 1,127.96
  4. Step 4: Simplify right side
    3,319.07x = 5,614,085.82
  5. Step 5: Solve for x
    x = 5,614,085.82/3,319.07
  6. Step 6: Final answer
    x = 1,691.47

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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.