Home / 3,353.74-4,631.27-2,160.79

Finding the Fourth Proportional to 3,353.74, 4,631.27 and 2,160.79

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Solution

The fourth proportional to 3,353.74, 4,631.27 and 2,160.79 is: 2,983.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.74 : 4,631.27 = 2,160.79 : x
  2. Step 2: Convert to fraction form
    3,353.74/4,631.27 = 2,160.79/x
  3. Step 3: Cross multiply
    3,353.74x = 4,631.27 × 2,160.79
  4. Step 4: Simplify right side
    3,353.74x = 10,007,201.90
  5. Step 5: Solve for x
    x = 10,007,201.90/3,353.74
  6. Step 6: Final answer
    x = 2,983.89

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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.