Home / 2,988.57-4,127.18-2,462.66

Finding the Fourth Proportional to 2,988.57, 4,127.18 and 2,462.66

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Solution

The fourth proportional to 2,988.57, 4,127.18 and 2,462.66 is: 3,400.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.57 : 4,127.18 = 2,462.66 : x
  2. Step 2: Convert to fraction form
    2,988.57/4,127.18 = 2,462.66/x
  3. Step 3: Cross multiply
    2,988.57x = 4,127.18 × 2,462.66
  4. Step 4: Simplify right side
    2,988.57x = 10,163,867.35
  5. Step 5: Solve for x
    x = 10,163,867.35/2,988.57
  6. Step 6: Final answer
    x = 3,400.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.