Home / 2,427.22-3,631.11-2,129.14

Finding the Fourth Proportional to 2,427.22, 3,631.11 and 2,129.14

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Solution

The fourth proportional to 2,427.22, 3,631.11 and 2,129.14 is: 3,185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.22 : 3,631.11 = 2,129.14 : x
  2. Step 2: Convert to fraction form
    2,427.22/3,631.11 = 2,129.14/x
  3. Step 3: Cross multiply
    2,427.22x = 3,631.11 × 2,129.14
  4. Step 4: Simplify right side
    2,427.22x = 7,731,141.55
  5. Step 5: Solve for x
    x = 7,731,141.55/2,427.22
  6. Step 6: Final answer
    x = 3,185.18

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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.