Home / 3,765.20-5,646.36-1,168.16

Finding the Fourth Proportional to 3,765.20, 5,646.36 and 1,168.16

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Solution

The fourth proportional to 3,765.20, 5,646.36 and 1,168.16 is: 1,751.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.20 : 5,646.36 = 1,168.16 : x
  2. Step 2: Convert to fraction form
    3,765.20/5,646.36 = 1,168.16/x
  3. Step 3: Cross multiply
    3,765.20x = 5,646.36 × 1,168.16
  4. Step 4: Simplify right side
    3,765.20x = 6,595,851.90
  5. Step 5: Solve for x
    x = 6,595,851.90/3,765.20
  6. Step 6: Final answer
    x = 1,751.79

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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.