Home / 2,669.12-4,003.70-1,437.11

Finding the Fourth Proportional to 2,669.12, 4,003.70 and 1,437.11

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Solution

The fourth proportional to 2,669.12, 4,003.70 and 1,437.11 is: 2,155.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.12 : 4,003.70 = 1,437.11 : x
  2. Step 2: Convert to fraction form
    2,669.12/4,003.70 = 1,437.11/x
  3. Step 3: Cross multiply
    2,669.12x = 4,003.70 × 1,437.11
  4. Step 4: Simplify right side
    2,669.12x = 5,753,745.12
  5. Step 5: Solve for x
    x = 5,753,745.12/2,669.12
  6. Step 6: Final answer
    x = 2,155.67

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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.