Home / 2,356.43-3,251.81-1,412.76

Finding the Fourth Proportional to 2,356.43, 3,251.81 and 1,412.76

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Solution

The fourth proportional to 2,356.43, 3,251.81 and 1,412.76 is: 1,949.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.43 : 3,251.81 = 1,412.76 : x
  2. Step 2: Convert to fraction form
    2,356.43/3,251.81 = 1,412.76/x
  3. Step 3: Cross multiply
    2,356.43x = 3,251.81 × 1,412.76
  4. Step 4: Simplify right side
    2,356.43x = 4,594,010.84
  5. Step 5: Solve for x
    x = 4,594,010.84/2,356.43
  6. Step 6: Final answer
    x = 1,949.56

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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.