Home / 1,103.02-1,522.19-605.71

Finding the Fourth Proportional to 1,103.02, 1,522.19 and 605.71

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Solution

The fourth proportional to 1,103.02, 1,522.19 and 605.71 is: 835.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103.02 : 1,522.19 = 605.71 : x
  2. Step 2: Convert to fraction form
    1,103.02/1,522.19 = 605.71/x
  3. Step 3: Cross multiply
    1,103.02x = 1,522.19 × 605.71
  4. Step 4: Simplify right side
    1,103.02x = 921,995.07
  5. Step 5: Solve for x
    x = 921,995.07/1,103.02
  6. Step 6: Final answer
    x = 835.88

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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.