Home / 2,241.26-3,359.72-1,420.46

Finding the Fourth Proportional to 2,241.26, 3,359.72 and 1,420.46

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Solution

The fourth proportional to 2,241.26, 3,359.72 and 1,420.46 is: 2,129.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241.26 : 3,359.72 = 1,420.46 : x
  2. Step 2: Convert to fraction form
    2,241.26/3,359.72 = 1,420.46/x
  3. Step 3: Cross multiply
    2,241.26x = 3,359.72 × 1,420.46
  4. Step 4: Simplify right side
    2,241.26x = 4,772,347.87
  5. Step 5: Solve for x
    x = 4,772,347.87/2,241.26
  6. Step 6: Final answer
    x = 2,129.31

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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.