Home / 3,802.23-5,246.82-2,123.55

Finding the Fourth Proportional to 3,802.23, 5,246.82 and 2,123.55

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Solution

The fourth proportional to 3,802.23, 5,246.82 and 2,123.55 is: 2,930.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.23 : 5,246.82 = 2,123.55 : x
  2. Step 2: Convert to fraction form
    3,802.23/5,246.82 = 2,123.55/x
  3. Step 3: Cross multiply
    3,802.23x = 5,246.82 × 2,123.55
  4. Step 4: Simplify right side
    3,802.23x = 11,141,884.61
  5. Step 5: Solve for x
    x = 11,141,884.61/3,802.23
  6. Step 6: Final answer
    x = 2,930.36

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1.5x scale

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.