Home / 2,166.78-3,244.02-1,685.46

Finding the Fourth Proportional to 2,166.78, 3,244.02 and 1,685.46

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Solution

The fourth proportional to 2,166.78, 3,244.02 and 1,685.46 is: 2,523.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166.78 : 3,244.02 = 1,685.46 : x
  2. Step 2: Convert to fraction form
    2,166.78/3,244.02 = 1,685.46/x
  3. Step 3: Cross multiply
    2,166.78x = 3,244.02 × 1,685.46
  4. Step 4: Simplify right side
    2,166.78x = 5,467,665.95
  5. Step 5: Solve for x
    x = 5,467,665.95/2,166.78
  6. Step 6: Final answer
    x = 2,523.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.