Home / 1,603.14-2,213.33-1,229.41

Finding the Fourth Proportional to 1,603.14, 2,213.33 and 1,229.41

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Solution

The fourth proportional to 1,603.14, 2,213.33 and 1,229.41 is: 1,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603.14 : 2,213.33 = 1,229.41 : x
  2. Step 2: Convert to fraction form
    1,603.14/2,213.33 = 1,229.41/x
  3. Step 3: Cross multiply
    1,603.14x = 2,213.33 × 1,229.41
  4. Step 4: Simplify right side
    1,603.14x = 2,721,090.04
  5. Step 5: Solve for x
    x = 2,721,090.04/1,603.14
  6. Step 6: Final answer
    x = 1,697.35

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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.