Home / 3,840.14-5,761.02-1,244.90

Finding the Fourth Proportional to 3,840.14, 5,761.02 and 1,244.90

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Solution

The fourth proportional to 3,840.14, 5,761.02 and 1,244.90 is: 1,867.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.14 : 5,761.02 = 1,244.90 : x
  2. Step 2: Convert to fraction form
    3,840.14/5,761.02 = 1,244.90/x
  3. Step 3: Cross multiply
    3,840.14x = 5,761.02 × 1,244.90
  4. Step 4: Simplify right side
    3,840.14x = 7,171,912.87
  5. Step 5: Solve for x
    x = 7,171,912.87/3,840.14
  6. Step 6: Final answer
    x = 1,867.62

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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.