Home / 2,350.87-3,244.16-1,288.66

Finding the Fourth Proportional to 2,350.87, 3,244.16 and 1,288.66

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Solution

The fourth proportional to 2,350.87, 3,244.16 and 1,288.66 is: 1,778.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,350.87 : 3,244.16 = 1,288.66 : x
  2. Step 2: Convert to fraction form
    2,350.87/3,244.16 = 1,288.66/x
  3. Step 3: Cross multiply
    2,350.87x = 3,244.16 × 1,288.66
  4. Step 4: Simplify right side
    2,350.87x = 4,180,622.23
  5. Step 5: Solve for x
    x = 4,180,622.23/2,350.87
  6. Step 6: Final answer
    x = 1,778.33

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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.