Home / 2,341.78-3,231.66-1,293.84

Finding the Fourth Proportional to 2,341.78, 3,231.66 and 1,293.84

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Solution

The fourth proportional to 2,341.78, 3,231.66 and 1,293.84 is: 1,785.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.78 : 3,231.66 = 1,293.84 : x
  2. Step 2: Convert to fraction form
    2,341.78/3,231.66 = 1,293.84/x
  3. Step 3: Cross multiply
    2,341.78x = 3,231.66 × 1,293.84
  4. Step 4: Simplify right side
    2,341.78x = 4,181,263.09
  5. Step 5: Solve for x
    x = 4,181,263.09/2,341.78
  6. Step 6: Final answer
    x = 1,785.51

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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.