Home / 3,211.05-4,808.71-2,652.34

Finding the Fourth Proportional to 3,211.05, 4,808.71 and 2,652.34

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Solution

The fourth proportional to 3,211.05, 4,808.71 and 2,652.34 is: 3,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.05 : 4,808.71 = 2,652.34 : x
  2. Step 2: Convert to fraction form
    3,211.05/4,808.71 = 2,652.34/x
  3. Step 3: Cross multiply
    3,211.05x = 4,808.71 × 2,652.34
  4. Step 4: Simplify right side
    3,211.05x = 12,754,315.23
  5. Step 5: Solve for x
    x = 12,754,315.23/3,211.05
  6. Step 6: Final answer
    x = 3,972.01

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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.