Home / 3,422.35-5,132.78-1,341.68

Finding the Fourth Proportional to 3,422.35, 5,132.78 and 1,341.68

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Solution

The fourth proportional to 3,422.35, 5,132.78 and 1,341.68 is: 2,012.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.35 : 5,132.78 = 1,341.68 : x
  2. Step 2: Convert to fraction form
    3,422.35/5,132.78 = 1,341.68/x
  3. Step 3: Cross multiply
    3,422.35x = 5,132.78 × 1,341.68
  4. Step 4: Simplify right side
    3,422.35x = 6,886,541.56
  5. Step 5: Solve for x
    x = 6,886,541.56/3,422.35
  6. Step 6: Final answer
    x = 2,012.23

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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.