Home / 3,110.06-4,665.90-1,877.78

Finding the Fourth Proportional to 3,110.06, 4,665.90 and 1,877.78

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Solution

The fourth proportional to 3,110.06, 4,665.90 and 1,877.78 is: 2,817.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.06 : 4,665.90 = 1,877.78 : x
  2. Step 2: Convert to fraction form
    3,110.06/4,665.90 = 1,877.78/x
  3. Step 3: Cross multiply
    3,110.06x = 4,665.90 × 1,877.78
  4. Step 4: Simplify right side
    3,110.06x = 8,761,533.70
  5. Step 5: Solve for x
    x = 8,761,533.70/3,110.06
  6. Step 6: Final answer
    x = 2,817.16

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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.