Home / 2,640.18-3,645.36-1,757.82

Finding the Fourth Proportional to 2,640.18, 3,645.36 and 1,757.82

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Solution

The fourth proportional to 2,640.18, 3,645.36 and 1,757.82 is: 2,427.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640.18 : 3,645.36 = 1,757.82 : x
  2. Step 2: Convert to fraction form
    2,640.18/3,645.36 = 1,757.82/x
  3. Step 3: Cross multiply
    2,640.18x = 3,645.36 × 1,757.82
  4. Step 4: Simplify right side
    2,640.18x = 6,407,886.72
  5. Step 5: Solve for x
    x = 6,407,886.72/2,640.18
  6. Step 6: Final answer
    x = 2,427.06

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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.