Home / 2,922.72-4,029.17-1,802.91

Finding the Fourth Proportional to 2,922.72, 4,029.17 and 1,802.91

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Solution

The fourth proportional to 2,922.72, 4,029.17 and 1,802.91 is: 2,485.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.72 : 4,029.17 = 1,802.91 : x
  2. Step 2: Convert to fraction form
    2,922.72/4,029.17 = 1,802.91/x
  3. Step 3: Cross multiply
    2,922.72x = 4,029.17 × 1,802.91
  4. Step 4: Simplify right side
    2,922.72x = 7,264,230.88
  5. Step 5: Solve for x
    x = 7,264,230.88/2,922.72
  6. Step 6: Final answer
    x = 2,485.44

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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.