Home / 2,350.80-3,244.08-1,288.57

Finding the Fourth Proportional to 2,350.80, 3,244.08 and 1,288.57

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Solution

The fourth proportional to 2,350.80, 3,244.08 and 1,288.57 is: 1,778.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,350.80 : 3,244.08 = 1,288.57 : x
  2. Step 2: Convert to fraction form
    2,350.80/3,244.08 = 1,288.57/x
  3. Step 3: Cross multiply
    2,350.80x = 3,244.08 × 1,288.57
  4. Step 4: Simplify right side
    2,350.80x = 4,180,224.17
  5. Step 5: Solve for x
    x = 4,180,224.17/2,350.80
  6. Step 6: Final answer
    x = 1,778.21

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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.