Home / 2,144.18-3,216.28-605.18

Finding the Fourth Proportional to 2,144.18, 3,216.28 and 605.18

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Solution

The fourth proportional to 2,144.18, 3,216.28 and 605.18 is: 907.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.18 : 3,216.28 = 605.18 : x
  2. Step 2: Convert to fraction form
    2,144.18/3,216.28 = 605.18/x
  3. Step 3: Cross multiply
    2,144.18x = 3,216.28 × 605.18
  4. Step 4: Simplify right side
    2,144.18x = 1,946,428.33
  5. Step 5: Solve for x
    x = 1,946,428.33/2,144.18
  6. Step 6: Final answer
    x = 907.77

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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.