Home / 3,153.12-4,349.26-3,046.20

Finding the Fourth Proportional to 3,153.12, 4,349.26 and 3,046.20

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Solution

The fourth proportional to 3,153.12, 4,349.26 and 3,046.20 is: 4,201.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.12 : 4,349.26 = 3,046.20 : x
  2. Step 2: Convert to fraction form
    3,153.12/4,349.26 = 3,046.20/x
  3. Step 3: Cross multiply
    3,153.12x = 4,349.26 × 3,046.20
  4. Step 4: Simplify right side
    3,153.12x = 13,248,715.81
  5. Step 5: Solve for x
    x = 13,248,715.81/3,153.12
  6. Step 6: Final answer
    x = 4,201.78

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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.