Home / 3,337.70-4,999.35-2,171.30

Finding the Fourth Proportional to 3,337.70, 4,999.35 and 2,171.30

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Solution

The fourth proportional to 3,337.70, 4,999.35 and 2,171.30 is: 3,252.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,337.70 : 4,999.35 = 2,171.30 : x
  2. Step 2: Convert to fraction form
    3,337.70/4,999.35 = 2,171.30/x
  3. Step 3: Cross multiply
    3,337.70x = 4,999.35 × 2,171.30
  4. Step 4: Simplify right side
    3,337.70x = 10,855,088.66
  5. Step 5: Solve for x
    x = 10,855,088.66/3,337.70
  6. Step 6: Final answer
    x = 3,252.27

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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.