Home / 2,956.85-4,080.33-1,630.55

Finding the Fourth Proportional to 2,956.85, 4,080.33 and 1,630.55

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Solution

The fourth proportional to 2,956.85, 4,080.33 and 1,630.55 is: 2,250.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.85 : 4,080.33 = 1,630.55 : x
  2. Step 2: Convert to fraction form
    2,956.85/4,080.33 = 1,630.55/x
  3. Step 3: Cross multiply
    2,956.85x = 4,080.33 × 1,630.55
  4. Step 4: Simplify right side
    2,956.85x = 6,653,182.08
  5. Step 5: Solve for x
    x = 6,653,182.08/2,956.85
  6. Step 6: Final answer
    x = 2,250.09

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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.