Home / 2,240.75-3,092.24-1,246.07

Finding the Fourth Proportional to 2,240.75, 3,092.24 and 1,246.07

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Solution

The fourth proportional to 2,240.75, 3,092.24 and 1,246.07 is: 1,719.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.75 : 3,092.24 = 1,246.07 : x
  2. Step 2: Convert to fraction form
    2,240.75/3,092.24 = 1,246.07/x
  3. Step 3: Cross multiply
    2,240.75x = 3,092.24 × 1,246.07
  4. Step 4: Simplify right side
    2,240.75x = 3,853,158.34
  5. Step 5: Solve for x
    x = 3,853,158.34/2,240.75
  6. Step 6: Final answer
    x = 1,719.58

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Half scale
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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.