Home / 2,851.19-4,270.85-1,460.31

Finding the Fourth Proportional to 2,851.19, 4,270.85 and 1,460.31

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Solution

The fourth proportional to 2,851.19, 4,270.85 and 1,460.31 is: 2,187.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.19 : 4,270.85 = 1,460.31 : x
  2. Step 2: Convert to fraction form
    2,851.19/4,270.85 = 1,460.31/x
  3. Step 3: Cross multiply
    2,851.19x = 4,270.85 × 1,460.31
  4. Step 4: Simplify right side
    2,851.19x = 6,236,757.66
  5. Step 5: Solve for x
    x = 6,236,757.66/2,851.19
  6. Step 6: Final answer
    x = 2,187.43

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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.