Home / 2,263.83-3,393.42-1,287.87

Finding the Fourth Proportional to 2,263.83, 3,393.42 and 1,287.87

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Solution

The fourth proportional to 2,263.83, 3,393.42 and 1,287.87 is: 1,930.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.83 : 3,393.42 = 1,287.87 : x
  2. Step 2: Convert to fraction form
    2,263.83/3,393.42 = 1,287.87/x
  3. Step 3: Cross multiply
    2,263.83x = 3,393.42 × 1,287.87
  4. Step 4: Simplify right side
    2,263.83x = 4,370,283.82
  5. Step 5: Solve for x
    x = 4,370,283.82/2,263.83
  6. Step 6: Final answer
    x = 1,930.48

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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.