Home / 2,332.55-3,218.91-1,284.61

Finding the Fourth Proportional to 2,332.55, 3,218.91 and 1,284.61

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Solution

The fourth proportional to 2,332.55, 3,218.91 and 1,284.61 is: 1,772.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.55 : 3,218.91 = 1,284.61 : x
  2. Step 2: Convert to fraction form
    2,332.55/3,218.91 = 1,284.61/x
  3. Step 3: Cross multiply
    2,332.55x = 3,218.91 × 1,284.61
  4. Step 4: Simplify right side
    2,332.55x = 4,135,047.98
  5. Step 5: Solve for x
    x = 4,135,047.98/2,332.55
  6. Step 6: Final answer
    x = 1,772.76

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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.