Home / 2,820.42-4,233.36-1,360.60

Finding the Fourth Proportional to 2,820.42, 4,233.36 and 1,360.60

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Solution

The fourth proportional to 2,820.42, 4,233.36 and 1,360.60 is: 2,042.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.42 : 4,233.36 = 1,360.60 : x
  2. Step 2: Convert to fraction form
    2,820.42/4,233.36 = 1,360.60/x
  3. Step 3: Cross multiply
    2,820.42x = 4,233.36 × 1,360.60
  4. Step 4: Simplify right side
    2,820.42x = 5,759,904.13
  5. Step 5: Solve for x
    x = 5,759,904.13/2,820.42
  6. Step 6: Final answer
    x = 2,042.22

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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.