Home / 3,501.60-5,249.04-1,309.44

Finding the Fourth Proportional to 3,501.60, 5,249.04 and 1,309.44

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Solution

The fourth proportional to 3,501.60, 5,249.04 and 1,309.44 is: 1,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.60 : 5,249.04 = 1,309.44 : x
  2. Step 2: Convert to fraction form
    3,501.60/5,249.04 = 1,309.44/x
  3. Step 3: Cross multiply
    3,501.60x = 5,249.04 × 1,309.44
  4. Step 4: Simplify right side
    3,501.60x = 6,873,302.94
  5. Step 5: Solve for x
    x = 6,873,302.94/3,501.60
  6. Step 6: Final answer
    x = 1,962.90

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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.