Home / 3,156.74-4,351.73-2,209.59

Finding the Fourth Proportional to 3,156.74, 4,351.73 and 2,209.59

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Solution

The fourth proportional to 3,156.74, 4,351.73 and 2,209.59 is: 3,046.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.74 : 4,351.73 = 2,209.59 : x
  2. Step 2: Convert to fraction form
    3,156.74/4,351.73 = 2,209.59/x
  3. Step 3: Cross multiply
    3,156.74x = 4,351.73 × 2,209.59
  4. Step 4: Simplify right side
    3,156.74x = 9,615,528.04
  5. Step 5: Solve for x
    x = 9,615,528.04/3,156.74
  6. Step 6: Final answer
    x = 3,046.04

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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.