Home / 3,154.35-4,321.48-3,036.12

Finding the Fourth Proportional to 3,154.35, 4,321.48 and 3,036.12

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Solution

The fourth proportional to 3,154.35, 4,321.48 and 3,036.12 is: 4,159.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.35 : 4,321.48 = 3,036.12 : x
  2. Step 2: Convert to fraction form
    3,154.35/4,321.48 = 3,036.12/x
  3. Step 3: Cross multiply
    3,154.35x = 4,321.48 × 3,036.12
  4. Step 4: Simplify right side
    3,154.35x = 13,120,505.22
  5. Step 5: Solve for x
    x = 13,120,505.22/3,154.35
  6. Step 6: Final answer
    x = 4,159.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.