Home / 2,956.61-4,078.08-2,397.11

Finding the Fourth Proportional to 2,956.61, 4,078.08 and 2,397.11

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Solution

The fourth proportional to 2,956.61, 4,078.08 and 2,397.11 is: 3,306.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.61 : 4,078.08 = 2,397.11 : x
  2. Step 2: Convert to fraction form
    2,956.61/4,078.08 = 2,397.11/x
  3. Step 3: Cross multiply
    2,956.61x = 4,078.08 × 2,397.11
  4. Step 4: Simplify right side
    2,956.61x = 9,775,585.96
  5. Step 5: Solve for x
    x = 9,775,585.96/2,956.61
  6. Step 6: Final answer
    x = 3,306.35

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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.