Home / 2,240.86-3,092.28-1,245.95

Finding the Fourth Proportional to 2,240.86, 3,092.28 and 1,245.95

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Solution

The fourth proportional to 2,240.86, 3,092.28 and 1,245.95 is: 1,719.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.86 : 3,092.28 = 1,245.95 : x
  2. Step 2: Convert to fraction form
    2,240.86/3,092.28 = 1,245.95/x
  3. Step 3: Cross multiply
    2,240.86x = 3,092.28 × 1,245.95
  4. Step 4: Simplify right side
    2,240.86x = 3,852,809.03
  5. Step 5: Solve for x
    x = 3,852,809.03/2,240.86
  6. Step 6: Final answer
    x = 1,719.34

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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.