Home / 3,657.58-5,046.45-2,123.95

Finding the Fourth Proportional to 3,657.58, 5,046.45 and 2,123.95

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Solution

The fourth proportional to 3,657.58, 5,046.45 and 2,123.95 is: 2,930.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.58 : 5,046.45 = 2,123.95 : x
  2. Step 2: Convert to fraction form
    3,657.58/5,046.45 = 2,123.95/x
  3. Step 3: Cross multiply
    3,657.58x = 5,046.45 × 2,123.95
  4. Step 4: Simplify right side
    3,657.58x = 10,718,407.48
  5. Step 5: Solve for x
    x = 10,718,407.48/3,657.58
  6. Step 6: Final answer
    x = 2,930.46

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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.