Home / 2,851.18-4,273.36-1,864.47

Finding the Fourth Proportional to 2,851.18, 4,273.36 and 1,864.47

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Solution

The fourth proportional to 2,851.18, 4,273.36 and 1,864.47 is: 2,794.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.18 : 4,273.36 = 1,864.47 : x
  2. Step 2: Convert to fraction form
    2,851.18/4,273.36 = 1,864.47/x
  3. Step 3: Cross multiply
    2,851.18x = 4,273.36 × 1,864.47
  4. Step 4: Simplify right side
    2,851.18x = 7,967,542.20
  5. Step 5: Solve for x
    x = 7,967,542.20/2,851.18
  6. Step 6: Final answer
    x = 2,794.48

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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.