Home / 3,320.12-4,983.25-1,677.81

Finding the Fourth Proportional to 3,320.12, 4,983.25 and 1,677.81

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Solution

The fourth proportional to 3,320.12, 4,983.25 and 1,677.81 is: 2,518.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.12 : 4,983.25 = 1,677.81 : x
  2. Step 2: Convert to fraction form
    3,320.12/4,983.25 = 1,677.81/x
  3. Step 3: Cross multiply
    3,320.12x = 4,983.25 × 1,677.81
  4. Step 4: Simplify right side
    3,320.12x = 8,360,942.49
  5. Step 5: Solve for x
    x = 8,360,942.49/3,320.12
  6. Step 6: Final answer
    x = 2,518.27

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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.