Home / 3,137.61-4,332.83-2,020.49

Finding the Fourth Proportional to 3,137.61, 4,332.83 and 2,020.49

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Solution

The fourth proportional to 3,137.61, 4,332.83 and 2,020.49 is: 2,790.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.61 : 4,332.83 = 2,020.49 : x
  2. Step 2: Convert to fraction form
    3,137.61/4,332.83 = 2,020.49/x
  3. Step 3: Cross multiply
    3,137.61x = 4,332.83 × 2,020.49
  4. Step 4: Simplify right side
    3,137.61x = 8,754,429.58
  5. Step 5: Solve for x
    x = 8,754,429.58/3,137.61
  6. Step 6: Final answer
    x = 2,790.16

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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.