Home / 3,333.66-5,001.21-2,102.70

Finding the Fourth Proportional to 3,333.66, 5,001.21 and 2,102.70

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Solution

The fourth proportional to 3,333.66, 5,001.21 and 2,102.70 is: 3,154.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.66 : 5,001.21 = 2,102.70 : x
  2. Step 2: Convert to fraction form
    3,333.66/5,001.21 = 2,102.70/x
  3. Step 3: Cross multiply
    3,333.66x = 5,001.21 × 2,102.70
  4. Step 4: Simplify right side
    3,333.66x = 10,516,044.27
  5. Step 5: Solve for x
    x = 10,516,044.27/3,333.66
  6. Step 6: Final answer
    x = 3,154.50

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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.