Home / 1,768.34-2,647.65-1,334.18

Finding the Fourth Proportional to 1,768.34, 2,647.65 and 1,334.18

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Solution

The fourth proportional to 1,768.34, 2,647.65 and 1,334.18 is: 1,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.34 : 2,647.65 = 1,334.18 : x
  2. Step 2: Convert to fraction form
    1,768.34/2,647.65 = 1,334.18/x
  3. Step 3: Cross multiply
    1,768.34x = 2,647.65 × 1,334.18
  4. Step 4: Simplify right side
    1,768.34x = 3,532,441.68
  5. Step 5: Solve for x
    x = 3,532,441.68/1,768.34
  6. Step 6: Final answer
    x = 1,997.60

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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.