Home / 3,569.10-5,349.51-2,109.48

Finding the Fourth Proportional to 3,569.10, 5,349.51 and 2,109.48

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Solution

The fourth proportional to 3,569.10, 5,349.51 and 2,109.48 is: 3,161.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.10 : 5,349.51 = 2,109.48 : x
  2. Step 2: Convert to fraction form
    3,569.10/5,349.51 = 2,109.48/x
  3. Step 3: Cross multiply
    3,569.10x = 5,349.51 × 2,109.48
  4. Step 4: Simplify right side
    3,569.10x = 11,284,684.35
  5. Step 5: Solve for x
    x = 11,284,684.35/3,569.10
  6. Step 6: Final answer
    x = 3,161.77

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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.