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Finding the Fourth Proportional to 2,332, 3,218.16 and 1,400.50

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Solution

The fourth proportional to 2,332, 3,218.16 and 1,400.50 is: 1,932.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332 : 3,218.16 = 1,400.50 : x
  2. Step 2: Convert to fraction form
    2,332/3,218.16 = 1,400.50/x
  3. Step 3: Cross multiply
    2,332x = 3,218.16 × 1,400.50
  4. Step 4: Simplify right side
    2,332x = 4,507,033.08
  5. Step 5: Solve for x
    x = 4,507,033.08/2,332
  6. Step 6: Final answer
    x = 1,932.69

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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.