Home / 1,948.08-2,922.11-1,605.66

Finding the Fourth Proportional to 1,948.08, 2,922.11 and 1,605.66

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Solution

The fourth proportional to 1,948.08, 2,922.11 and 1,605.66 is: 2,408.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948.08 : 2,922.11 = 1,605.66 : x
  2. Step 2: Convert to fraction form
    1,948.08/2,922.11 = 1,605.66/x
  3. Step 3: Cross multiply
    1,948.08x = 2,922.11 × 1,605.66
  4. Step 4: Simplify right side
    1,948.08x = 4,691,902.18
  5. Step 5: Solve for x
    x = 4,691,902.18/1,948.08
  6. Step 6: Final answer
    x = 2,408.47

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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.