Home / 3,422.32-5,132.58-1,230.64

Finding the Fourth Proportional to 3,422.32, 5,132.58 and 1,230.64

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Solution

The fourth proportional to 3,422.32, 5,132.58 and 1,230.64 is: 1,845.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.32 : 5,132.58 = 1,230.64 : x
  2. Step 2: Convert to fraction form
    3,422.32/5,132.58 = 1,230.64/x
  3. Step 3: Cross multiply
    3,422.32x = 5,132.58 × 1,230.64
  4. Step 4: Simplify right side
    3,422.32x = 6,316,358.25
  5. Step 5: Solve for x
    x = 6,316,358.25/3,422.32
  6. Step 6: Final answer
    x = 1,845.64

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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.