Home / 1,768.60-2,440.32-1,069.96

Finding the Fourth Proportional to 1,768.60, 2,440.32 and 1,069.96

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Solution

The fourth proportional to 1,768.60, 2,440.32 and 1,069.96 is: 1,476.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.60 : 2,440.32 = 1,069.96 : x
  2. Step 2: Convert to fraction form
    1,768.60/2,440.32 = 1,069.96/x
  3. Step 3: Cross multiply
    1,768.60x = 2,440.32 × 1,069.96
  4. Step 4: Simplify right side
    1,768.60x = 2,611,044.79
  5. Step 5: Solve for x
    x = 2,611,044.79/1,768.60
  6. Step 6: Final answer
    x = 1,476.33

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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.