Home / 2,615.35-3,924.36-1,738.45

Finding the Fourth Proportional to 2,615.35, 3,924.36 and 1,738.45

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Solution

The fourth proportional to 2,615.35, 3,924.36 and 1,738.45 is: 2,608.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.35 : 3,924.36 = 1,738.45 : x
  2. Step 2: Convert to fraction form
    2,615.35/3,924.36 = 1,738.45/x
  3. Step 3: Cross multiply
    2,615.35x = 3,924.36 × 1,738.45
  4. Step 4: Simplify right side
    2,615.35x = 6,822,305.47
  5. Step 5: Solve for x
    x = 6,822,305.47/2,615.35
  6. Step 6: Final answer
    x = 2,608.56

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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.