Home / 3,666.28-5,499.66-1,069

Finding the Fourth Proportional to 3,666.28, 5,499.66 and 1,069

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Solution

The fourth proportional to 3,666.28, 5,499.66 and 1,069 is: 1,603.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.28 : 5,499.66 = 1,069 : x
  2. Step 2: Convert to fraction form
    3,666.28/5,499.66 = 1,069/x
  3. Step 3: Cross multiply
    3,666.28x = 5,499.66 × 1,069
  4. Step 4: Simplify right side
    3,666.28x = 5,879,136.54
  5. Step 5: Solve for x
    x = 5,879,136.54/3,666.28
  6. Step 6: Final answer
    x = 1,603.57

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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.