Home / 1,942.24-2,680.15-1,102.96

Finding the Fourth Proportional to 1,942.24, 2,680.15 and 1,102.96

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Solution

The fourth proportional to 1,942.24, 2,680.15 and 1,102.96 is: 1,522.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.24 : 2,680.15 = 1,102.96 : x
  2. Step 2: Convert to fraction form
    1,942.24/2,680.15 = 1,102.96/x
  3. Step 3: Cross multiply
    1,942.24x = 2,680.15 × 1,102.96
  4. Step 4: Simplify right side
    1,942.24x = 2,956,098.24
  5. Step 5: Solve for x
    x = 2,956,098.24/1,942.24
  6. Step 6: Final answer
    x = 1,522.00

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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.