Home / 3,329.60-4,997.28-1,381.76

Finding the Fourth Proportional to 3,329.60, 4,997.28 and 1,381.76

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Solution

The fourth proportional to 3,329.60, 4,997.28 and 1,381.76 is: 2,073.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.60 : 4,997.28 = 1,381.76 : x
  2. Step 2: Convert to fraction form
    3,329.60/4,997.28 = 1,381.76/x
  3. Step 3: Cross multiply
    3,329.60x = 4,997.28 × 1,381.76
  4. Step 4: Simplify right side
    3,329.60x = 6,905,041.61
  5. Step 5: Solve for x
    x = 6,905,041.61/3,329.60
  6. Step 6: Final answer
    x = 2,073.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.