Home / 2,263.88-3,392.52-1,287.92

Finding the Fourth Proportional to 2,263.88, 3,392.52 and 1,287.92

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Solution

The fourth proportional to 2,263.88, 3,392.52 and 1,287.92 is: 1,930.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.88 : 3,392.52 = 1,287.92 : x
  2. Step 2: Convert to fraction form
    2,263.88/3,392.52 = 1,287.92/x
  3. Step 3: Cross multiply
    2,263.88x = 3,392.52 × 1,287.92
  4. Step 4: Simplify right side
    2,263.88x = 4,369,294.36
  5. Step 5: Solve for x
    x = 4,369,294.36/2,263.88
  6. Step 6: Final answer
    x = 1,930.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.