Home / 1,902.38-2,625.63-1,105.82

Finding the Fourth Proportional to 1,902.38, 2,625.63 and 1,105.82

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Solution

The fourth proportional to 1,902.38, 2,625.63 and 1,105.82 is: 1,526.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.38 : 2,625.63 = 1,105.82 : x
  2. Step 2: Convert to fraction form
    1,902.38/2,625.63 = 1,105.82/x
  3. Step 3: Cross multiply
    1,902.38x = 2,625.63 × 1,105.82
  4. Step 4: Simplify right side
    1,902.38x = 2,903,461.04
  5. Step 5: Solve for x
    x = 2,903,461.04/1,902.38
  6. Step 6: Final answer
    x = 1,526.23

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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.