Home / 2,040.99-2,815.76-1,332.61

Finding the Fourth Proportional to 2,040.99, 2,815.76 and 1,332.61

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Solution

The fourth proportional to 2,040.99, 2,815.76 and 1,332.61 is: 1,838.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.99 : 2,815.76 = 1,332.61 : x
  2. Step 2: Convert to fraction form
    2,040.99/2,815.76 = 1,332.61/x
  3. Step 3: Cross multiply
    2,040.99x = 2,815.76 × 1,332.61
  4. Step 4: Simplify right side
    2,040.99x = 3,752,298.73
  5. Step 5: Solve for x
    x = 3,752,298.73/2,040.99
  6. Step 6: Final answer
    x = 1,838.47

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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.