Home / 2,657.88-3,663.36-2,242.26

Finding the Fourth Proportional to 2,657.88, 3,663.36 and 2,242.26

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Solution

The fourth proportional to 2,657.88, 3,663.36 and 2,242.26 is: 3,090.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657.88 : 3,663.36 = 2,242.26 : x
  2. Step 2: Convert to fraction form
    2,657.88/3,663.36 = 2,242.26/x
  3. Step 3: Cross multiply
    2,657.88x = 3,663.36 × 2,242.26
  4. Step 4: Simplify right side
    2,657.88x = 8,214,205.59
  5. Step 5: Solve for x
    x = 8,214,205.59/2,657.88
  6. Step 6: Final answer
    x = 3,090.51

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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.