Home / 2,956.41-4,079.81-1,630.12

Finding the Fourth Proportional to 2,956.41, 4,079.81 and 1,630.12

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Solution

The fourth proportional to 2,956.41, 4,079.81 and 1,630.12 is: 2,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.41 : 4,079.81 = 1,630.12 : x
  2. Step 2: Convert to fraction form
    2,956.41/4,079.81 = 1,630.12/x
  3. Step 3: Cross multiply
    2,956.41x = 4,079.81 × 1,630.12
  4. Step 4: Simplify right side
    2,956.41x = 6,650,583.95
  5. Step 5: Solve for x
    x = 6,650,583.95/2,956.41
  6. Step 6: Final answer
    x = 2,249.55

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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.