Home / 3,551.61-5,329.24-1,578.60

Finding the Fourth Proportional to 3,551.61, 5,329.24 and 1,578.60

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Solution

The fourth proportional to 3,551.61, 5,329.24 and 1,578.60 is: 2,368.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.61 : 5,329.24 = 1,578.60 : x
  2. Step 2: Convert to fraction form
    3,551.61/5,329.24 = 1,578.60/x
  3. Step 3: Cross multiply
    3,551.61x = 5,329.24 × 1,578.60
  4. Step 4: Simplify right side
    3,551.61x = 8,412,707.67
  5. Step 5: Solve for x
    x = 8,412,707.67/3,551.61
  6. Step 6: Final answer
    x = 2,368.71

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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.