Home / 2,929.43-4,042.61-1,603.14

Finding the Fourth Proportional to 2,929.43, 4,042.61 and 1,603.14

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Solution

The fourth proportional to 2,929.43, 4,042.61 and 1,603.14 is: 2,212.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.43 : 4,042.61 = 1,603.14 : x
  2. Step 2: Convert to fraction form
    2,929.43/4,042.61 = 1,603.14/x
  3. Step 3: Cross multiply
    2,929.43x = 4,042.61 × 1,603.14
  4. Step 4: Simplify right side
    2,929.43x = 6,480,873.80
  5. Step 5: Solve for x
    x = 6,480,873.80/2,929.43
  6. Step 6: Final answer
    x = 2,212.34

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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.