Home / 3,369.18-5,054.68-1,909.36

Finding the Fourth Proportional to 3,369.18, 5,054.68 and 1,909.36

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Solution

The fourth proportional to 3,369.18, 5,054.68 and 1,909.36 is: 2,864.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.18 : 5,054.68 = 1,909.36 : x
  2. Step 2: Convert to fraction form
    3,369.18/5,054.68 = 1,909.36/x
  3. Step 3: Cross multiply
    3,369.18x = 5,054.68 × 1,909.36
  4. Step 4: Simplify right side
    3,369.18x = 9,651,206.61
  5. Step 5: Solve for x
    x = 9,651,206.61/3,369.18
  6. Step 6: Final answer
    x = 2,864.55

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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.