Home / 3,552.72-5,328.38-1,212.52

Finding the Fourth Proportional to 3,552.72, 5,328.38 and 1,212.52

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Solution

The fourth proportional to 3,552.72, 5,328.38 and 1,212.52 is: 1,818.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.72 : 5,328.38 = 1,212.52 : x
  2. Step 2: Convert to fraction form
    3,552.72/5,328.38 = 1,212.52/x
  3. Step 3: Cross multiply
    3,552.72x = 5,328.38 × 1,212.52
  4. Step 4: Simplify right side
    3,552.72x = 6,460,767.32
  5. Step 5: Solve for x
    x = 6,460,767.32/3,552.72
  6. Step 6: Final answer
    x = 1,818.54

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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.