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Finding the Fourth Proportional to 2,339.93, 3,229.08 and 1,292.00

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Solution

The fourth proportional to 2,339.93, 3,229.08 and 1,292.00 is: 1,782.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.93 : 3,229.08 = 1,292.00 : x
  2. Step 2: Convert to fraction form
    2,339.93/3,229.08 = 1,292.00/x
  3. Step 3: Cross multiply
    2,339.93x = 3,229.08 × 1,292.00
  4. Step 4: Simplify right side
    2,339.93x = 4,171,955.21
  5. Step 5: Solve for x
    x = 4,171,955.21/2,339.93
  6. Step 6: Final answer
    x = 1,782.94

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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.