Home / 3,102.96-4,282.11-1,776.59

Finding the Fourth Proportional to 3,102.96, 4,282.11 and 1,776.59

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Solution

The fourth proportional to 3,102.96, 4,282.11 and 1,776.59 is: 2,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.96 : 4,282.11 = 1,776.59 : x
  2. Step 2: Convert to fraction form
    3,102.96/4,282.11 = 1,776.59/x
  3. Step 3: Cross multiply
    3,102.96x = 4,282.11 × 1,776.59
  4. Step 4: Simplify right side
    3,102.96x = 7,607,532.39
  5. Step 5: Solve for x
    x = 7,607,532.39/3,102.96
  6. Step 6: Final answer
    x = 2,451.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.