Home / 2,428.14-3,647.08-2,211.06

Finding the Fourth Proportional to 2,428.14, 3,647.08 and 2,211.06

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Solution

The fourth proportional to 2,428.14, 3,647.08 and 2,211.06 is: 3,321.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.14 : 3,647.08 = 2,211.06 : x
  2. Step 2: Convert to fraction form
    2,428.14/3,647.08 = 2,211.06/x
  3. Step 3: Cross multiply
    2,428.14x = 3,647.08 × 2,211.06
  4. Step 4: Simplify right side
    2,428.14x = 8,063,912.70
  5. Step 5: Solve for x
    x = 8,063,912.70/2,428.14
  6. Step 6: Final answer
    x = 3,321.02

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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.