Home / 2,263.65-3,123.78-1,241.61

Finding the Fourth Proportional to 2,263.65, 3,123.78 and 1,241.61

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Solution

The fourth proportional to 2,263.65, 3,123.78 and 1,241.61 is: 1,713.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.65 : 3,123.78 = 1,241.61 : x
  2. Step 2: Convert to fraction form
    2,263.65/3,123.78 = 1,241.61/x
  3. Step 3: Cross multiply
    2,263.65x = 3,123.78 × 1,241.61
  4. Step 4: Simplify right side
    2,263.65x = 3,878,516.49
  5. Step 5: Solve for x
    x = 3,878,516.49/2,263.65
  6. Step 6: Final answer
    x = 1,713.39

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1.5x scale

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.