Home / 3,549.66-5,324.30-1,328.32

Finding the Fourth Proportional to 3,549.66, 5,324.30 and 1,328.32

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Solution

The fourth proportional to 3,549.66, 5,324.30 and 1,328.32 is: 1,992.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.66 : 5,324.30 = 1,328.32 : x
  2. Step 2: Convert to fraction form
    3,549.66/5,324.30 = 1,328.32/x
  3. Step 3: Cross multiply
    3,549.66x = 5,324.30 × 1,328.32
  4. Step 4: Simplify right side
    3,549.66x = 7,072,374.18
  5. Step 5: Solve for x
    x = 7,072,374.18/3,549.66
  6. Step 6: Final answer
    x = 1,992.41

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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.