Home / 2,232.71-3,345.86-1,256.75

Finding the Fourth Proportional to 2,232.71, 3,345.86 and 1,256.75

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Solution

The fourth proportional to 2,232.71, 3,345.86 and 1,256.75 is: 1,883.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.71 : 3,345.86 = 1,256.75 : x
  2. Step 2: Convert to fraction form
    2,232.71/3,345.86 = 1,256.75/x
  3. Step 3: Cross multiply
    2,232.71x = 3,345.86 × 1,256.75
  4. Step 4: Simplify right side
    2,232.71x = 4,204,921.06
  5. Step 5: Solve for x
    x = 4,204,921.06/2,232.71
  6. Step 6: Final answer
    x = 1,883.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.