Home / 3,489.25-5,236.28-1,437.25

Finding the Fourth Proportional to 3,489.25, 5,236.28 and 1,437.25

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Solution

The fourth proportional to 3,489.25, 5,236.28 and 1,437.25 is: 2,156.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.25 : 5,236.28 = 1,437.25 : x
  2. Step 2: Convert to fraction form
    3,489.25/5,236.28 = 1,437.25/x
  3. Step 3: Cross multiply
    3,489.25x = 5,236.28 × 1,437.25
  4. Step 4: Simplify right side
    3,489.25x = 7,525,843.43
  5. Step 5: Solve for x
    x = 7,525,843.43/3,489.25
  6. Step 6: Final answer
    x = 2,156.87

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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.