Home / 1,263.62-1,902.46-1,110.53

Finding the Fourth Proportional to 1,263.62, 1,902.46 and 1,110.53

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Solution

The fourth proportional to 1,263.62, 1,902.46 and 1,110.53 is: 1,671.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.62 : 1,902.46 = 1,110.53 : x
  2. Step 2: Convert to fraction form
    1,263.62/1,902.46 = 1,110.53/x
  3. Step 3: Cross multiply
    1,263.62x = 1,902.46 × 1,110.53
  4. Step 4: Simplify right side
    1,263.62x = 2,112,723.84
  5. Step 5: Solve for x
    x = 2,112,723.84/1,263.62
  6. Step 6: Final answer
    x = 1,671.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.