Home / 3,578.13-5,366.66-1,603.35

Finding the Fourth Proportional to 3,578.13, 5,366.66 and 1,603.35

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Solution

The fourth proportional to 3,578.13, 5,366.66 and 1,603.35 is: 2,404.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.13 : 5,366.66 = 1,603.35 : x
  2. Step 2: Convert to fraction form
    3,578.13/5,366.66 = 1,603.35/x
  3. Step 3: Cross multiply
    3,578.13x = 5,366.66 × 1,603.35
  4. Step 4: Simplify right side
    3,578.13x = 8,604,626.29
  5. Step 5: Solve for x
    x = 8,604,626.29/3,578.13
  6. Step 6: Final answer
    x = 2,404.78

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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.