Home / 2,398.82-3,307.29-1,611.14

Finding the Fourth Proportional to 2,398.82, 3,307.29 and 1,611.14

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Solution

The fourth proportional to 2,398.82, 3,307.29 and 1,611.14 is: 2,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.82 : 3,307.29 = 1,611.14 : x
  2. Step 2: Convert to fraction form
    2,398.82/3,307.29 = 1,611.14/x
  3. Step 3: Cross multiply
    2,398.82x = 3,307.29 × 1,611.14
  4. Step 4: Simplify right side
    2,398.82x = 5,328,507.21
  5. Step 5: Solve for x
    x = 5,328,507.21/2,398.82
  6. Step 6: Final answer
    x = 2,221.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.