Home / 2,929.55-4,042.76-1,603.25

Finding the Fourth Proportional to 2,929.55, 4,042.76 and 1,603.25

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Solution

The fourth proportional to 2,929.55, 4,042.76 and 1,603.25 is: 2,212.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.55 : 4,042.76 = 1,603.25 : x
  2. Step 2: Convert to fraction form
    2,929.55/4,042.76 = 1,603.25/x
  3. Step 3: Cross multiply
    2,929.55x = 4,042.76 × 1,603.25
  4. Step 4: Simplify right side
    2,929.55x = 6,481,562.29
  5. Step 5: Solve for x
    x = 6,481,562.29/2,929.55
  6. Step 6: Final answer
    x = 2,212.48

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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.