Home / 3,755.94-5,634.71-1,123.65

Finding the Fourth Proportional to 3,755.94, 5,634.71 and 1,123.65

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Solution

The fourth proportional to 3,755.94, 5,634.71 and 1,123.65 is: 1,685.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.94 : 5,634.71 = 1,123.65 : x
  2. Step 2: Convert to fraction form
    3,755.94/5,634.71 = 1,123.65/x
  3. Step 3: Cross multiply
    3,755.94x = 5,634.71 × 1,123.65
  4. Step 4: Simplify right side
    3,755.94x = 6,331,444.70
  5. Step 5: Solve for x
    x = 6,331,444.70/3,755.94
  6. Step 6: Final answer
    x = 1,685.72

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1.5x scale

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.