Home / 2,956.64-4,077.34-2,209.82

Finding the Fourth Proportional to 2,956.64, 4,077.34 and 2,209.82

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Solution

The fourth proportional to 2,956.64, 4,077.34 and 2,209.82 is: 3,047.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.64 : 4,077.34 = 2,209.82 : x
  2. Step 2: Convert to fraction form
    2,956.64/4,077.34 = 2,209.82/x
  3. Step 3: Cross multiply
    2,956.64x = 4,077.34 × 2,209.82
  4. Step 4: Simplify right side
    2,956.64x = 9,010,161.57
  5. Step 5: Solve for x
    x = 9,010,161.57/2,956.64
  6. Step 6: Final answer
    x = 3,047.44

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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.