Home / 2,956.25-4,080.03-1,908.11

Finding the Fourth Proportional to 2,956.25, 4,080.03 and 1,908.11

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Solution

The fourth proportional to 2,956.25, 4,080.03 and 1,908.11 is: 2,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.25 : 4,080.03 = 1,908.11 : x
  2. Step 2: Convert to fraction form
    2,956.25/4,080.03 = 1,908.11/x
  3. Step 3: Cross multiply
    2,956.25x = 4,080.03 × 1,908.11
  4. Step 4: Simplify right side
    2,956.25x = 7,785,146.04
  5. Step 5: Solve for x
    x = 7,785,146.04/2,956.25
  6. Step 6: Final answer
    x = 2,633.45

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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.