Home / 2,350.78-3,244.07-1,356.12

Finding the Fourth Proportional to 2,350.78, 3,244.07 and 1,356.12

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Solution

The fourth proportional to 2,350.78, 3,244.07 and 1,356.12 is: 1,871.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,350.78 : 3,244.07 = 1,356.12 : x
  2. Step 2: Convert to fraction form
    2,350.78/3,244.07 = 1,356.12/x
  3. Step 3: Cross multiply
    2,350.78x = 3,244.07 × 1,356.12
  4. Step 4: Simplify right side
    2,350.78x = 4,399,348.21
  5. Step 5: Solve for x
    x = 4,399,348.21/2,350.78
  6. Step 6: Final answer
    x = 1,871.44

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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.