Home / 2,190.83-3,024.02-1,351.79

Finding the Fourth Proportional to 2,190.83, 3,024.02 and 1,351.79

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Solution

The fourth proportional to 2,190.83, 3,024.02 and 1,351.79 is: 1,865.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.83 : 3,024.02 = 1,351.79 : x
  2. Step 2: Convert to fraction form
    2,190.83/3,024.02 = 1,351.79/x
  3. Step 3: Cross multiply
    2,190.83x = 3,024.02 × 1,351.79
  4. Step 4: Simplify right side
    2,190.83x = 4,087,833.24
  5. Step 5: Solve for x
    x = 4,087,833.24/2,190.83
  6. Step 6: Final answer
    x = 1,865.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.