Home / 3,728.34-5,591.83-1,507.09

Finding the Fourth Proportional to 3,728.34, 5,591.83 and 1,507.09

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Solution

The fourth proportional to 3,728.34, 5,591.83 and 1,507.09 is: 2,260.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.34 : 5,591.83 = 1,507.09 : x
  2. Step 2: Convert to fraction form
    3,728.34/5,591.83 = 1,507.09/x
  3. Step 3: Cross multiply
    3,728.34x = 5,591.83 × 1,507.09
  4. Step 4: Simplify right side
    3,728.34x = 8,427,391.07
  5. Step 5: Solve for x
    x = 8,427,391.07/3,728.34
  6. Step 6: Final answer
    x = 2,260.36

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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.