Home / 3,122.52-4,328.81-2,956.06

Finding the Fourth Proportional to 3,122.52, 4,328.81 and 2,956.06

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Solution

The fourth proportional to 3,122.52, 4,328.81 and 2,956.06 is: 4,098.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.52 : 4,328.81 = 2,956.06 : x
  2. Step 2: Convert to fraction form
    3,122.52/4,328.81 = 2,956.06/x
  3. Step 3: Cross multiply
    3,122.52x = 4,328.81 × 2,956.06
  4. Step 4: Simplify right side
    3,122.52x = 12,796,222.09
  5. Step 5: Solve for x
    x = 12,796,222.09/3,122.52
  6. Step 6: Final answer
    x = 4,098.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.