Home / 3,394.78-5,089.26-1,545.24

Finding the Fourth Proportional to 3,394.78, 5,089.26 and 1,545.24

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Solution

The fourth proportional to 3,394.78, 5,089.26 and 1,545.24 is: 2,316.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.78 : 5,089.26 = 1,545.24 : x
  2. Step 2: Convert to fraction form
    3,394.78/5,089.26 = 1,545.24/x
  3. Step 3: Cross multiply
    3,394.78x = 5,089.26 × 1,545.24
  4. Step 4: Simplify right side
    3,394.78x = 7,864,128.12
  5. Step 5: Solve for x
    x = 7,864,128.12/3,394.78
  6. Step 6: Final answer
    x = 2,316.54

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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.