Home / 2,329.13-3,214.20-1,281.20

Finding the Fourth Proportional to 2,329.13, 3,214.20 and 1,281.20

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Solution

The fourth proportional to 2,329.13, 3,214.20 and 1,281.20 is: 1,768.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.13 : 3,214.20 = 1,281.20 : x
  2. Step 2: Convert to fraction form
    2,329.13/3,214.20 = 1,281.20/x
  3. Step 3: Cross multiply
    2,329.13x = 3,214.20 × 1,281.20
  4. Step 4: Simplify right side
    2,329.13x = 4,118,016.97
  5. Step 5: Solve for x
    x = 4,118,016.97/2,329.13
  6. Step 6: Final answer
    x = 1,768.05

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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.