Home / 2,329.22-3,214.28-1,281.29

Finding the Fourth Proportional to 2,329.22, 3,214.28 and 1,281.29

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Solution

The fourth proportional to 2,329.22, 3,214.28 and 1,281.29 is: 1,768.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.22 : 3,214.28 = 1,281.29 : x
  2. Step 2: Convert to fraction form
    2,329.22/3,214.28 = 1,281.29/x
  3. Step 3: Cross multiply
    2,329.22x = 3,214.28 × 1,281.29
  4. Step 4: Simplify right side
    2,329.22x = 4,118,411.95
  5. Step 5: Solve for x
    x = 4,118,411.95/2,329.22
  6. Step 6: Final answer
    x = 1,768.15

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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.