Home / 2,331.31-3,214.14-1,490.59

Finding the Fourth Proportional to 2,331.31, 3,214.14 and 1,490.59

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Solution

The fourth proportional to 2,331.31, 3,214.14 and 1,490.59 is: 2,055.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.31 : 3,214.14 = 1,490.59 : x
  2. Step 2: Convert to fraction form
    2,331.31/3,214.14 = 1,490.59/x
  3. Step 3: Cross multiply
    2,331.31x = 3,214.14 × 1,490.59
  4. Step 4: Simplify right side
    2,331.31x = 4,790,964.94
  5. Step 5: Solve for x
    x = 4,790,964.94/2,331.31
  6. Step 6: Final answer
    x = 2,055.05

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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.