Home / 1,723.78-2,585.67-750.57

Finding the Fourth Proportional to 1,723.78, 2,585.67 and 750.57

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Solution

The fourth proportional to 1,723.78, 2,585.67 and 750.57 is: 1,125.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.78 : 2,585.67 = 750.57 : x
  2. Step 2: Convert to fraction form
    1,723.78/2,585.67 = 750.57/x
  3. Step 3: Cross multiply
    1,723.78x = 2,585.67 × 750.57
  4. Step 4: Simplify right side
    1,723.78x = 1,940,718.04
  5. Step 5: Solve for x
    x = 1,940,718.04/1,723.78
  6. Step 6: Final answer
    x = 1,125.85

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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.