Home / 1,902.45-2,625.57-1,116.48

Finding the Fourth Proportional to 1,902.45, 2,625.57 and 1,116.48

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Solution

The fourth proportional to 1,902.45, 2,625.57 and 1,116.48 is: 1,540.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.45 : 2,625.57 = 1,116.48 : x
  2. Step 2: Convert to fraction form
    1,902.45/2,625.57 = 1,116.48/x
  3. Step 3: Cross multiply
    1,902.45x = 2,625.57 × 1,116.48
  4. Step 4: Simplify right side
    1,902.45x = 2,931,396.39
  5. Step 5: Solve for x
    x = 2,931,396.39/1,902.45
  6. Step 6: Final answer
    x = 1,540.85

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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.