Home / 1,902.30-2,625.75-1,105.98

Finding the Fourth Proportional to 1,902.30, 2,625.75 and 1,105.98

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Solution

The fourth proportional to 1,902.30, 2,625.75 and 1,105.98 is: 1,526.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.30 : 2,625.75 = 1,105.98 : x
  2. Step 2: Convert to fraction form
    1,902.30/2,625.75 = 1,105.98/x
  3. Step 3: Cross multiply
    1,902.30x = 2,625.75 × 1,105.98
  4. Step 4: Simplify right side
    1,902.30x = 2,904,026.99
  5. Step 5: Solve for x
    x = 2,904,026.99/1,902.30
  6. Step 6: Final answer
    x = 1,526.59

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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.