Home / 2,497.56-3,446.82-1,378.74

Finding the Fourth Proportional to 2,497.56, 3,446.82 and 1,378.74

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Solution

The fourth proportional to 2,497.56, 3,446.82 and 1,378.74 is: 1,902.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,497.56 : 3,446.82 = 1,378.74 : x
  2. Step 2: Convert to fraction form
    2,497.56/3,446.82 = 1,378.74/x
  3. Step 3: Cross multiply
    2,497.56x = 3,446.82 × 1,378.74
  4. Step 4: Simplify right side
    2,497.56x = 4,752,268.61
  5. Step 5: Solve for x
    x = 4,752,268.61/2,497.56
  6. Step 6: Final answer
    x = 1,902.76

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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.