Home / 3,578.55-5,368.97-1,113.85

Finding the Fourth Proportional to 3,578.55, 5,368.97 and 1,113.85

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Solution

The fourth proportional to 3,578.55, 5,368.97 and 1,113.85 is: 1,671.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.55 : 5,368.97 = 1,113.85 : x
  2. Step 2: Convert to fraction form
    3,578.55/5,368.97 = 1,113.85/x
  3. Step 3: Cross multiply
    3,578.55x = 5,368.97 × 1,113.85
  4. Step 4: Simplify right side
    3,578.55x = 5,980,227.23
  5. Step 5: Solve for x
    x = 5,980,227.23/3,578.55
  6. Step 6: Final answer
    x = 1,671.13

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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.