Home / 1,244.16-1,716.48-1,242.24

Finding the Fourth Proportional to 1,244.16, 1,716.48 and 1,242.24

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Solution

The fourth proportional to 1,244.16, 1,716.48 and 1,242.24 is: 1,713.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244.16 : 1,716.48 = 1,242.24 : x
  2. Step 2: Convert to fraction form
    1,244.16/1,716.48 = 1,242.24/x
  3. Step 3: Cross multiply
    1,244.16x = 1,716.48 × 1,242.24
  4. Step 4: Simplify right side
    1,244.16x = 2,132,280.12
  5. Step 5: Solve for x
    x = 2,132,280.12/1,244.16
  6. Step 6: Final answer
    x = 1,713.83

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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.