Home / 3,122.13-4,308.55-1,795.91

Finding the Fourth Proportional to 3,122.13, 4,308.55 and 1,795.91

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Solution

The fourth proportional to 3,122.13, 4,308.55 and 1,795.91 is: 2,478.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.13 : 4,308.55 = 1,795.91 : x
  2. Step 2: Convert to fraction form
    3,122.13/4,308.55 = 1,795.91/x
  3. Step 3: Cross multiply
    3,122.13x = 4,308.55 × 1,795.91
  4. Step 4: Simplify right side
    3,122.13x = 7,737,752.77
  5. Step 5: Solve for x
    x = 7,737,752.77/3,122.13
  6. Step 6: Final answer
    x = 2,478.36

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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.