Home / 3,526.61-5,290.52-1,578.96

Finding the Fourth Proportional to 3,526.61, 5,290.52 and 1,578.96

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Solution

The fourth proportional to 3,526.61, 5,290.52 and 1,578.96 is: 2,368.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.61 : 5,290.52 = 1,578.96 : x
  2. Step 2: Convert to fraction form
    3,526.61/5,290.52 = 1,578.96/x
  3. Step 3: Cross multiply
    3,526.61x = 5,290.52 × 1,578.96
  4. Step 4: Simplify right side
    3,526.61x = 8,353,511.56
  5. Step 5: Solve for x
    x = 8,353,511.56/3,526.61
  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.