Home / 3,623.90-5,437.91-1,543.69

Finding the Fourth Proportional to 3,623.90, 5,437.91 and 1,543.69

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Solution

The fourth proportional to 3,623.90, 5,437.91 and 1,543.69 is: 2,316.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.90 : 5,437.91 = 1,543.69 : x
  2. Step 2: Convert to fraction form
    3,623.90/5,437.91 = 1,543.69/x
  3. Step 3: Cross multiply
    3,623.90x = 5,437.91 × 1,543.69
  4. Step 4: Simplify right side
    3,623.90x = 8,394,442.13
  5. Step 5: Solve for x
    x = 8,394,442.13/3,623.90
  6. Step 6: Final answer
    x = 2,316.41

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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.