Home / 2,331.18-3,217.19-1,283.31

Finding the Fourth Proportional to 2,331.18, 3,217.19 and 1,283.31

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Solution

The fourth proportional to 2,331.18, 3,217.19 and 1,283.31 is: 1,771.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.18 : 3,217.19 = 1,283.31 : x
  2. Step 2: Convert to fraction form
    2,331.18/3,217.19 = 1,283.31/x
  3. Step 3: Cross multiply
    2,331.18x = 3,217.19 × 1,283.31
  4. Step 4: Simplify right side
    2,331.18x = 4,128,652.10
  5. Step 5: Solve for x
    x = 4,128,652.10/2,331.18
  6. Step 6: Final answer
    x = 1,771.06

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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.