Home / 2,497.62-3,446.79-1,378.58

Finding the Fourth Proportional to 2,497.62, 3,446.79 and 1,378.58

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Solution

The fourth proportional to 2,497.62, 3,446.79 and 1,378.58 is: 1,902.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,497.62 : 3,446.79 = 1,378.58 : x
  2. Step 2: Convert to fraction form
    2,497.62/3,446.79 = 1,378.58/x
  3. Step 3: Cross multiply
    2,497.62x = 3,446.79 × 1,378.58
  4. Step 4: Simplify right side
    2,497.62x = 4,751,675.76
  5. Step 5: Solve for x
    x = 4,751,675.76/2,497.62
  6. Step 6: Final answer
    x = 1,902.48

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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.