Home / 3,617.33-5,424.62-1,276.90

Finding the Fourth Proportional to 3,617.33, 5,424.62 and 1,276.90

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Solution

The fourth proportional to 3,617.33, 5,424.62 and 1,276.90 is: 1,914.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.33 : 5,424.62 = 1,276.90 : x
  2. Step 2: Convert to fraction form
    3,617.33/5,424.62 = 1,276.90/x
  3. Step 3: Cross multiply
    3,617.33x = 5,424.62 × 1,276.90
  4. Step 4: Simplify right side
    3,617.33x = 6,926,677.33
  5. Step 5: Solve for x
    x = 6,926,677.33/3,617.33
  6. Step 6: Final answer
    x = 1,914.86

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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.