Home / 3,102.22-4,653.33-910.90

Finding the Fourth Proportional to 3,102.22, 4,653.33 and 910.90

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Solution

The fourth proportional to 3,102.22, 4,653.33 and 910.90 is: 1,366.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.22 : 4,653.33 = 910.90 : x
  2. Step 2: Convert to fraction form
    3,102.22/4,653.33 = 910.90/x
  3. Step 3: Cross multiply
    3,102.22x = 4,653.33 × 910.90
  4. Step 4: Simplify right side
    3,102.22x = 4,238,718.30
  5. Step 5: Solve for x
    x = 4,238,718.30/3,102.22
  6. Step 6: Final answer
    x = 1,366.35

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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.