Home / 2,332.64-3,218.96-1,284.70

Finding the Fourth Proportional to 2,332.64, 3,218.96 and 1,284.70

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Solution

The fourth proportional to 2,332.64, 3,218.96 and 1,284.70 is: 1,772.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.64 : 3,218.96 = 1,284.70 : x
  2. Step 2: Convert to fraction form
    2,332.64/3,218.96 = 1,284.70/x
  3. Step 3: Cross multiply
    2,332.64x = 3,218.96 × 1,284.70
  4. Step 4: Simplify right side
    2,332.64x = 4,135,397.91
  5. Step 5: Solve for x
    x = 4,135,397.91/2,332.64
  6. Step 6: Final answer
    x = 1,772.84

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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.