Home / 2,697.21-3,722.31-1,649.48

Finding the Fourth Proportional to 2,697.21, 3,722.31 and 1,649.48

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Solution

The fourth proportional to 2,697.21, 3,722.31 and 1,649.48 is: 2,276.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.21 : 3,722.31 = 1,649.48 : x
  2. Step 2: Convert to fraction form
    2,697.21/3,722.31 = 1,649.48/x
  3. Step 3: Cross multiply
    2,697.21x = 3,722.31 × 1,649.48
  4. Step 4: Simplify right side
    2,697.21x = 6,139,857.29
  5. Step 5: Solve for x
    x = 6,139,857.29/2,697.21
  6. Step 6: Final answer
    x = 2,276.37

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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.