Home / 2,731.83-4,097.76-1,171.71

Finding the Fourth Proportional to 2,731.83, 4,097.76 and 1,171.71

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Solution

The fourth proportional to 2,731.83, 4,097.76 and 1,171.71 is: 1,757.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.83 : 4,097.76 = 1,171.71 : x
  2. Step 2: Convert to fraction form
    2,731.83/4,097.76 = 1,171.71/x
  3. Step 3: Cross multiply
    2,731.83x = 4,097.76 × 1,171.71
  4. Step 4: Simplify right side
    2,731.83x = 4,801,386.37
  5. Step 5: Solve for x
    x = 4,801,386.37/2,731.83
  6. Step 6: Final answer
    x = 1,757.57

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1.5x scale

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.