Home / 3,417.41-5,121.16-1,856.09

Finding the Fourth Proportional to 3,417.41, 5,121.16 and 1,856.09

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Solution

The fourth proportional to 3,417.41, 5,121.16 and 1,856.09 is: 2,781.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.41 : 5,121.16 = 1,856.09 : x
  2. Step 2: Convert to fraction form
    3,417.41/5,121.16 = 1,856.09/x
  3. Step 3: Cross multiply
    3,417.41x = 5,121.16 × 1,856.09
  4. Step 4: Simplify right side
    3,417.41x = 9,505,303.62
  5. Step 5: Solve for x
    x = 9,505,303.62/3,417.41
  6. Step 6: Final answer
    x = 2,781.44

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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.