Home / 3,754.96-5,631.36-1,157.20

Finding the Fourth Proportional to 3,754.96, 5,631.36 and 1,157.20

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Solution

The fourth proportional to 3,754.96, 5,631.36 and 1,157.20 is: 1,735.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.96 : 5,631.36 = 1,157.20 : x
  2. Step 2: Convert to fraction form
    3,754.96/5,631.36 = 1,157.20/x
  3. Step 3: Cross multiply
    3,754.96x = 5,631.36 × 1,157.20
  4. Step 4: Simplify right side
    3,754.96x = 6,516,609.79
  5. Step 5: Solve for x
    x = 6,516,609.79/3,754.96
  6. Step 6: Final answer
    x = 1,735.47

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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.