Home / 2,356.75-3,252.41-1,308.79

Finding the Fourth Proportional to 2,356.75, 3,252.41 and 1,308.79

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Solution

The fourth proportional to 2,356.75, 3,252.41 and 1,308.79 is: 1,806.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.75 : 3,252.41 = 1,308.79 : x
  2. Step 2: Convert to fraction form
    2,356.75/3,252.41 = 1,308.79/x
  3. Step 3: Cross multiply
    2,356.75x = 3,252.41 × 1,308.79
  4. Step 4: Simplify right side
    2,356.75x = 4,256,721.68
  5. Step 5: Solve for x
    x = 4,256,721.68/2,356.75
  6. Step 6: Final answer
    x = 1,806.18

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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.