Home / 3,612.04-5,419.42-1,663.79

Finding the Fourth Proportional to 3,612.04, 5,419.42 and 1,663.79

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Solution

The fourth proportional to 3,612.04, 5,419.42 and 1,663.79 is: 2,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.04 : 5,419.42 = 1,663.79 : x
  2. Step 2: Convert to fraction form
    3,612.04/5,419.42 = 1,663.79/x
  3. Step 3: Cross multiply
    3,612.04x = 5,419.42 × 1,663.79
  4. Step 4: Simplify right side
    3,612.04x = 9,016,745.55
  5. Step 5: Solve for x
    x = 9,016,745.55/3,612.04
  6. Step 6: Final answer
    x = 2,496.30

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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.