Home / 2,356.43-3,251.99-1,308.50

Finding the Fourth Proportional to 2,356.43, 3,251.99 and 1,308.50

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Solution

The fourth proportional to 2,356.43, 3,251.99 and 1,308.50 is: 1,805.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.43 : 3,251.99 = 1,308.50 : x
  2. Step 2: Convert to fraction form
    2,356.43/3,251.99 = 1,308.50/x
  3. Step 3: Cross multiply
    2,356.43x = 3,251.99 × 1,308.50
  4. Step 4: Simplify right side
    2,356.43x = 4,255,228.92
  5. Step 5: Solve for x
    x = 4,255,228.92/2,356.43
  6. Step 6: Final answer
    x = 1,805.79

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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.