Home / 1,082.21-1,493.43-610.11

Finding the Fourth Proportional to 1,082.21, 1,493.43 and 610.11

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Solution

The fourth proportional to 1,082.21, 1,493.43 and 610.11 is: 841.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082.21 : 1,493.43 = 610.11 : x
  2. Step 2: Convert to fraction form
    1,082.21/1,493.43 = 610.11/x
  3. Step 3: Cross multiply
    1,082.21x = 1,493.43 × 610.11
  4. Step 4: Simplify right side
    1,082.21x = 911,157.34
  5. Step 5: Solve for x
    x = 911,157.34/1,082.21
  6. Step 6: Final answer
    x = 841.94

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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.