Home / 2,397.20-3,309.66-1,956.15

Finding the Fourth Proportional to 2,397.20, 3,309.66 and 1,956.15

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Solution

The fourth proportional to 2,397.20, 3,309.66 and 1,956.15 is: 2,700.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,397.20 : 3,309.66 = 1,956.15 : x
  2. Step 2: Convert to fraction form
    2,397.20/3,309.66 = 1,956.15/x
  3. Step 3: Cross multiply
    2,397.20x = 3,309.66 × 1,956.15
  4. Step 4: Simplify right side
    2,397.20x = 6,474,191.41
  5. Step 5: Solve for x
    x = 6,474,191.41/2,397.20
  6. Step 6: Final answer
    x = 2,700.74

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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.