Home / 1,466.25-2,199.39-426.33

Finding the Fourth Proportional to 1,466.25, 2,199.39 and 426.33

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Solution

The fourth proportional to 1,466.25, 2,199.39 and 426.33 is: 639.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466.25 : 2,199.39 = 426.33 : x
  2. Step 2: Convert to fraction form
    1,466.25/2,199.39 = 426.33/x
  3. Step 3: Cross multiply
    1,466.25x = 2,199.39 × 426.33
  4. Step 4: Simplify right side
    1,466.25x = 937,665.94
  5. Step 5: Solve for x
    x = 937,665.94/1,466.25
  6. Step 6: Final answer
    x = 639.50

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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.