Home / 2,517.42-3,472.83-1,956.90

Finding the Fourth Proportional to 2,517.42, 3,472.83 and 1,956.90

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Solution

The fourth proportional to 2,517.42, 3,472.83 and 1,956.90 is: 2,699.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.42 : 3,472.83 = 1,956.90 : x
  2. Step 2: Convert to fraction form
    2,517.42/3,472.83 = 1,956.90/x
  3. Step 3: Cross multiply
    2,517.42x = 3,472.83 × 1,956.90
  4. Step 4: Simplify right side
    2,517.42x = 6,795,981.03
  5. Step 5: Solve for x
    x = 6,795,981.03/2,517.42
  6. Step 6: Final answer
    x = 2,699.58

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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.