Home / 1,629.50-2,442.06-749.97

Finding the Fourth Proportional to 1,629.50, 2,442.06 and 749.97

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Solution

The fourth proportional to 1,629.50, 2,442.06 and 749.97 is: 1,123.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.50 : 2,442.06 = 749.97 : x
  2. Step 2: Convert to fraction form
    1,629.50/2,442.06 = 749.97/x
  3. Step 3: Cross multiply
    1,629.50x = 2,442.06 × 749.97
  4. Step 4: Simplify right side
    1,629.50x = 1,831,471.74
  5. Step 5: Solve for x
    x = 1,831,471.74/1,629.50
  6. Step 6: Final answer
    x = 1,123.95

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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.