Home / 3,753.96-5,628.78-1,156.20

Finding the Fourth Proportional to 3,753.96, 5,628.78 and 1,156.20

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Solution

The fourth proportional to 3,753.96, 5,628.78 and 1,156.20 is: 1,733.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.96 : 5,628.78 = 1,156.20 : x
  2. Step 2: Convert to fraction form
    3,753.96/5,628.78 = 1,156.20/x
  3. Step 3: Cross multiply
    3,753.96x = 5,628.78 × 1,156.20
  4. Step 4: Simplify right side
    3,753.96x = 6,507,995.44
  5. Step 5: Solve for x
    x = 6,507,995.44/3,753.96
  6. Step 6: Final answer
    x = 1,733.63

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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.