Home / 3,225.36-4,837.68-885.54

Finding the Fourth Proportional to 3,225.36, 4,837.68 and 885.54

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Solution

The fourth proportional to 3,225.36, 4,837.68 and 885.54 is: 1,328.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.36 : 4,837.68 = 885.54 : x
  2. Step 2: Convert to fraction form
    3,225.36/4,837.68 = 885.54/x
  3. Step 3: Cross multiply
    3,225.36x = 4,837.68 × 885.54
  4. Step 4: Simplify right side
    3,225.36x = 4,283,959.15
  5. Step 5: Solve for x
    x = 4,283,959.15/3,225.36
  6. Step 6: Final answer
    x = 1,328.21

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1.5x scale

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.