Home / 2,929.26-4,042.25-1,603.02

Finding the Fourth Proportional to 2,929.26, 4,042.25 and 1,603.02

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Solution

The fourth proportional to 2,929.26, 4,042.25 and 1,603.02 is: 2,212.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.26 : 4,042.25 = 1,603.02 : x
  2. Step 2: Convert to fraction form
    2,929.26/4,042.25 = 1,603.02/x
  3. Step 3: Cross multiply
    2,929.26x = 4,042.25 × 1,603.02
  4. Step 4: Simplify right side
    2,929.26x = 6,479,829.77
  5. Step 5: Solve for x
    x = 6,479,829.77/2,929.26
  6. Step 6: Final answer
    x = 2,212.10

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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.