Home / 2,977.11-4,464.68-1,127.79

Finding the Fourth Proportional to 2,977.11, 4,464.68 and 1,127.79

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Solution

The fourth proportional to 2,977.11, 4,464.68 and 1,127.79 is: 1,691.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.11 : 4,464.68 = 1,127.79 : x
  2. Step 2: Convert to fraction form
    2,977.11/4,464.68 = 1,127.79/x
  3. Step 3: Cross multiply
    2,977.11x = 4,464.68 × 1,127.79
  4. Step 4: Simplify right side
    2,977.11x = 5,035,215.82
  5. Step 5: Solve for x
    x = 5,035,215.82/2,977.11
  6. Step 6: Final answer
    x = 1,691.31

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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.