Home / 3,820.79-5,730.68-1,738.55

Finding the Fourth Proportional to 3,820.79, 5,730.68 and 1,738.55

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Solution

The fourth proportional to 3,820.79, 5,730.68 and 1,738.55 is: 2,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.79 : 5,730.68 = 1,738.55 : x
  2. Step 2: Convert to fraction form
    3,820.79/5,730.68 = 1,738.55/x
  3. Step 3: Cross multiply
    3,820.79x = 5,730.68 × 1,738.55
  4. Step 4: Simplify right side
    3,820.79x = 9,963,092.39
  5. Step 5: Solve for x
    x = 9,963,092.39/3,820.79
  6. Step 6: Final answer
    x = 2,607.60

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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.