Home / 3,536.12-5,303.64-939.04

Finding the Fourth Proportional to 3,536.12, 5,303.64 and 939.04

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Solution

The fourth proportional to 3,536.12, 5,303.64 and 939.04 is: 1,408.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,536.12 : 5,303.64 = 939.04 : x
  2. Step 2: Convert to fraction form
    3,536.12/5,303.64 = 939.04/x
  3. Step 3: Cross multiply
    3,536.12x = 5,303.64 × 939.04
  4. Step 4: Simplify right side
    3,536.12x = 4,980,330.11
  5. Step 5: Solve for x
    x = 4,980,330.11/3,536.12
  6. Step 6: Final answer
    x = 1,408.42

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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.