Home / 2,263.43-3,123.47-1,268.77

Finding the Fourth Proportional to 2,263.43, 3,123.47 and 1,268.77

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Solution

The fourth proportional to 2,263.43, 3,123.47 and 1,268.77 is: 1,750.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.43 : 3,123.47 = 1,268.77 : x
  2. Step 2: Convert to fraction form
    2,263.43/3,123.47 = 1,268.77/x
  3. Step 3: Cross multiply
    2,263.43x = 3,123.47 × 1,268.77
  4. Step 4: Simplify right side
    2,263.43x = 3,962,972.11
  5. Step 5: Solve for x
    x = 3,962,972.11/2,263.43
  6. Step 6: Final answer
    x = 1,750.87

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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.