Home / 3,396.90-5,091.24-1,545.48

Finding the Fourth Proportional to 3,396.90, 5,091.24 and 1,545.48

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Solution

The fourth proportional to 3,396.90, 5,091.24 and 1,545.48 is: 2,316.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.90 : 5,091.24 = 1,545.48 : x
  2. Step 2: Convert to fraction form
    3,396.90/5,091.24 = 1,545.48/x
  3. Step 3: Cross multiply
    3,396.90x = 5,091.24 × 1,545.48
  4. Step 4: Simplify right side
    3,396.90x = 7,868,409.60
  5. Step 5: Solve for x
    x = 7,868,409.60/3,396.90
  6. Step 6: Final answer
    x = 2,316.35

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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.