Home / 3,325.60-4,988.46-1,377.82

Finding the Fourth Proportional to 3,325.60, 4,988.46 and 1,377.82

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Solution

The fourth proportional to 3,325.60, 4,988.46 and 1,377.82 is: 2,066.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.60 : 4,988.46 = 1,377.82 : x
  2. Step 2: Convert to fraction form
    3,325.60/4,988.46 = 1,377.82/x
  3. Step 3: Cross multiply
    3,325.60x = 4,988.46 × 1,377.82
  4. Step 4: Simplify right side
    3,325.60x = 6,873,199.96
  5. Step 5: Solve for x
    x = 6,873,199.96/3,325.60
  6. Step 6: Final answer
    x = 2,066.75

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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.