Home / 2,348.91-3,242.43-1,603.28

Finding the Fourth Proportional to 2,348.91, 3,242.43 and 1,603.28

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Solution

The fourth proportional to 2,348.91, 3,242.43 and 1,603.28 is: 2,213.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.91 : 3,242.43 = 1,603.28 : x
  2. Step 2: Convert to fraction form
    2,348.91/3,242.43 = 1,603.28/x
  3. Step 3: Cross multiply
    2,348.91x = 3,242.43 × 1,603.28
  4. Step 4: Simplify right side
    2,348.91x = 5,198,531.28
  5. Step 5: Solve for x
    x = 5,198,531.28/2,348.91
  6. Step 6: Final answer
    x = 2,213.17

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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.