Home / 2,350.94-3,244.16-1,288.49

Finding the Fourth Proportional to 2,350.94, 3,244.16 and 1,288.49

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Solution

The fourth proportional to 2,350.94, 3,244.16 and 1,288.49 is: 1,778.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,350.94 : 3,244.16 = 1,288.49 : x
  2. Step 2: Convert to fraction form
    2,350.94/3,244.16 = 1,288.49/x
  3. Step 3: Cross multiply
    2,350.94x = 3,244.16 × 1,288.49
  4. Step 4: Simplify right side
    2,350.94x = 4,180,069.39
  5. Step 5: Solve for x
    x = 4,180,069.39/2,350.94
  6. Step 6: Final answer
    x = 1,778.05

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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.