Home / 1,758.29-2,636.67-834.11

Finding the Fourth Proportional to 1,758.29, 2,636.67 and 834.11

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Solution

The fourth proportional to 1,758.29, 2,636.67 and 834.11 is: 1,250.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.29 : 2,636.67 = 834.11 : x
  2. Step 2: Convert to fraction form
    1,758.29/2,636.67 = 834.11/x
  3. Step 3: Cross multiply
    1,758.29x = 2,636.67 × 834.11
  4. Step 4: Simplify right side
    1,758.29x = 2,199,285.13
  5. Step 5: Solve for x
    x = 2,199,285.13/1,758.29
  6. Step 6: Final answer
    x = 1,250.81

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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.