Home / 2,956.67-4,435.66-1,291.06

Finding the Fourth Proportional to 2,956.67, 4,435.66 and 1,291.06

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Solution

The fourth proportional to 2,956.67, 4,435.66 and 1,291.06 is: 1,936.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.67 : 4,435.66 = 1,291.06 : x
  2. Step 2: Convert to fraction form
    2,956.67/4,435.66 = 1,291.06/x
  3. Step 3: Cross multiply
    2,956.67x = 4,435.66 × 1,291.06
  4. Step 4: Simplify right side
    2,956.67x = 5,726,703.20
  5. Step 5: Solve for x
    x = 5,726,703.20/2,956.67
  6. Step 6: Final answer
    x = 1,936.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.