Home / 3,428.33-4,731.18-2,102.76

Finding the Fourth Proportional to 3,428.33, 4,731.18 and 2,102.76

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Solution

The fourth proportional to 3,428.33, 4,731.18 and 2,102.76 is: 2,901.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.33 : 4,731.18 = 2,102.76 : x
  2. Step 2: Convert to fraction form
    3,428.33/4,731.18 = 2,102.76/x
  3. Step 3: Cross multiply
    3,428.33x = 4,731.18 × 2,102.76
  4. Step 4: Simplify right side
    3,428.33x = 9,948,536.06
  5. Step 5: Solve for x
    x = 9,948,536.06/3,428.33
  6. Step 6: Final answer
    x = 2,901.86

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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.