Home / 3,397.02-5,091.21-1,856.22

Finding the Fourth Proportional to 3,397.02, 5,091.21 and 1,856.22

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Solution

The fourth proportional to 3,397.02, 5,091.21 and 1,856.22 is: 2,781.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.02 : 5,091.21 = 1,856.22 : x
  2. Step 2: Convert to fraction form
    3,397.02/5,091.21 = 1,856.22/x
  3. Step 3: Cross multiply
    3,397.02x = 5,091.21 × 1,856.22
  4. Step 4: Simplify right side
    3,397.02x = 9,450,405.83
  5. Step 5: Solve for x
    x = 9,450,405.83/3,397.02
  6. Step 6: Final answer
    x = 2,781.97

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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.