Home / 3,097.12-4,273.81-1,838.29

Finding the Fourth Proportional to 3,097.12, 4,273.81 and 1,838.29

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Solution

The fourth proportional to 3,097.12, 4,273.81 and 1,838.29 is: 2,536.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.12 : 4,273.81 = 1,838.29 : x
  2. Step 2: Convert to fraction form
    3,097.12/4,273.81 = 1,838.29/x
  3. Step 3: Cross multiply
    3,097.12x = 4,273.81 × 1,838.29
  4. Step 4: Simplify right side
    3,097.12x = 7,856,502.18
  5. Step 5: Solve for x
    x = 7,856,502.18/3,097.12
  6. Step 6: Final answer
    x = 2,536.71

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1.5x scale

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.