Home / 2,977.76-4,462.58-1,127.88

Finding the Fourth Proportional to 2,977.76, 4,462.58 and 1,127.88

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Solution

The fourth proportional to 2,977.76, 4,462.58 and 1,127.88 is: 1,690.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.76 : 4,462.58 = 1,127.88 : x
  2. Step 2: Convert to fraction form
    2,977.76/4,462.58 = 1,127.88/x
  3. Step 3: Cross multiply
    2,977.76x = 4,462.58 × 1,127.88
  4. Step 4: Simplify right side
    2,977.76x = 5,033,254.73
  5. Step 5: Solve for x
    x = 5,033,254.73/2,977.76
  6. Step 6: Final answer
    x = 1,690.28

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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.