Home / 3,398.02-5,093.91-1,319.42

Finding the Fourth Proportional to 3,398.02, 5,093.91 and 1,319.42

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Solution

The fourth proportional to 3,398.02, 5,093.91 and 1,319.42 is: 1,977.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.02 : 5,093.91 = 1,319.42 : x
  2. Step 2: Convert to fraction form
    3,398.02/5,093.91 = 1,319.42/x
  3. Step 3: Cross multiply
    3,398.02x = 5,093.91 × 1,319.42
  4. Step 4: Simplify right side
    3,398.02x = 6,721,019.47
  5. Step 5: Solve for x
    x = 6,721,019.47/3,398.02
  6. Step 6: Final answer
    x = 1,977.92

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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.