Home / 3,847.10-5,772.20-1,507.28

Finding the Fourth Proportional to 3,847.10, 5,772.20 and 1,507.28

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Solution

The fourth proportional to 3,847.10, 5,772.20 and 1,507.28 is: 2,261.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.10 : 5,772.20 = 1,507.28 : x
  2. Step 2: Convert to fraction form
    3,847.10/5,772.20 = 1,507.28/x
  3. Step 3: Cross multiply
    3,847.10x = 5,772.20 × 1,507.28
  4. Step 4: Simplify right side
    3,847.10x = 8,700,285.22
  5. Step 5: Solve for x
    x = 8,700,285.22/3,847.10
  6. Step 6: Final answer
    x = 2,261.52

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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.