Home / 1,515.48-2,274.82-1,343.26

Finding the Fourth Proportional to 1,515.48, 2,274.82 and 1,343.26

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Solution

The fourth proportional to 1,515.48, 2,274.82 and 1,343.26 is: 2,016.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515.48 : 2,274.82 = 1,343.26 : x
  2. Step 2: Convert to fraction form
    1,515.48/2,274.82 = 1,343.26/x
  3. Step 3: Cross multiply
    1,515.48x = 2,274.82 × 1,343.26
  4. Step 4: Simplify right side
    1,515.48x = 3,055,674.71
  5. Step 5: Solve for x
    x = 3,055,674.71/1,515.48
  6. Step 6: Final answer
    x = 2,016.31

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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.