Home / 3,369.68-5,054.87-1,291.44

Finding the Fourth Proportional to 3,369.68, 5,054.87 and 1,291.44

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Solution

The fourth proportional to 3,369.68, 5,054.87 and 1,291.44 is: 1,937.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.68 : 5,054.87 = 1,291.44 : x
  2. Step 2: Convert to fraction form
    3,369.68/5,054.87 = 1,291.44/x
  3. Step 3: Cross multiply
    3,369.68x = 5,054.87 × 1,291.44
  4. Step 4: Simplify right side
    3,369.68x = 6,528,054.86
  5. Step 5: Solve for x
    x = 6,528,054.86/3,369.68
  6. Step 6: Final answer
    x = 1,937.30

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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.