Home / 2,765.63-4,150.17-1,122.18

Finding the Fourth Proportional to 2,765.63, 4,150.17 and 1,122.18

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Solution

The fourth proportional to 2,765.63, 4,150.17 and 1,122.18 is: 1,683.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.63 : 4,150.17 = 1,122.18 : x
  2. Step 2: Convert to fraction form
    2,765.63/4,150.17 = 1,122.18/x
  3. Step 3: Cross multiply
    2,765.63x = 4,150.17 × 1,122.18
  4. Step 4: Simplify right side
    2,765.63x = 4,657,237.77
  5. Step 5: Solve for x
    x = 4,657,237.77/2,765.63
  6. Step 6: Final answer
    x = 1,683.97

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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.