Home / 2,901.22-4,002.36-1,721.62

Finding the Fourth Proportional to 2,901.22, 4,002.36 and 1,721.62

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Solution

The fourth proportional to 2,901.22, 4,002.36 and 1,721.62 is: 2,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.22 : 4,002.36 = 1,721.62 : x
  2. Step 2: Convert to fraction form
    2,901.22/4,002.36 = 1,721.62/x
  3. Step 3: Cross multiply
    2,901.22x = 4,002.36 × 1,721.62
  4. Step 4: Simplify right side
    2,901.22x = 6,890,543.02
  5. Step 5: Solve for x
    x = 6,890,543.02/2,901.22
  6. Step 6: Final answer
    x = 2,375.05

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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.