Home / 3,361.47-5,042.38-1,021.55

Finding the Fourth Proportional to 3,361.47, 5,042.38 and 1,021.55

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Solution

The fourth proportional to 3,361.47, 5,042.38 and 1,021.55 is: 1,532.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.47 : 5,042.38 = 1,021.55 : x
  2. Step 2: Convert to fraction form
    3,361.47/5,042.38 = 1,021.55/x
  3. Step 3: Cross multiply
    3,361.47x = 5,042.38 × 1,021.55
  4. Step 4: Simplify right side
    3,361.47x = 5,151,042.30
  5. Step 5: Solve for x
    x = 5,151,042.30/3,361.47
  6. Step 6: Final answer
    x = 1,532.38

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1.5x scale

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.