Home / 2,540.60-3,510.46-1,956.18

Finding the Fourth Proportional to 2,540.60, 3,510.46 and 1,956.18

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Solution

The fourth proportional to 2,540.60, 3,510.46 and 1,956.18 is: 2,702.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.60 : 3,510.46 = 1,956.18 : x
  2. Step 2: Convert to fraction form
    2,540.60/3,510.46 = 1,956.18/x
  3. Step 3: Cross multiply
    2,540.60x = 3,510.46 × 1,956.18
  4. Step 4: Simplify right side
    2,540.60x = 6,867,091.64
  5. Step 5: Solve for x
    x = 6,867,091.64/2,540.60
  6. Step 6: Final answer
    x = 2,702.94

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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.