Home / 3,553.05-5,331.11-1,907.67

Finding the Fourth Proportional to 3,553.05, 5,331.11 and 1,907.67

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Solution

The fourth proportional to 3,553.05, 5,331.11 and 1,907.67 is: 2,862.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.05 : 5,331.11 = 1,907.67 : x
  2. Step 2: Convert to fraction form
    3,553.05/5,331.11 = 1,907.67/x
  3. Step 3: Cross multiply
    3,553.05x = 5,331.11 × 1,907.67
  4. Step 4: Simplify right side
    3,553.05x = 10,169,998.61
  5. Step 5: Solve for x
    x = 10,169,998.61/3,553.05
  6. Step 6: Final answer
    x = 2,862.33

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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.