Home / 2,215.97-3,323.95-550.10

Finding the Fourth Proportional to 2,215.97, 3,323.95 and 550.10

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Solution

The fourth proportional to 2,215.97, 3,323.95 and 550.10 is: 825.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215.97 : 3,323.95 = 550.10 : x
  2. Step 2: Convert to fraction form
    2,215.97/3,323.95 = 550.10/x
  3. Step 3: Cross multiply
    2,215.97x = 3,323.95 × 550.10
  4. Step 4: Simplify right side
    2,215.97x = 1,828,485.52
  5. Step 5: Solve for x
    x = 1,828,485.52/2,215.97
  6. Step 6: Final answer
    x = 825.14

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Double scale
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Similar ratio
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1.5x scale

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.