Home / 3,327.74-4,988.64-1,378.70

Finding the Fourth Proportional to 3,327.74, 4,988.64 and 1,378.70

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Solution

The fourth proportional to 3,327.74, 4,988.64 and 1,378.70 is: 2,066.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.74 : 4,988.64 = 1,378.70 : x
  2. Step 2: Convert to fraction form
    3,327.74/4,988.64 = 1,378.70/x
  3. Step 3: Cross multiply
    3,327.74x = 4,988.64 × 1,378.70
  4. Step 4: Simplify right side
    3,327.74x = 6,877,837.97
  5. Step 5: Solve for x
    x = 6,877,837.97/3,327.74
  6. Step 6: Final answer
    x = 2,066.82

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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.