Home / 3,065.44-4,230.20-1,739.12

Finding the Fourth Proportional to 3,065.44, 4,230.20 and 1,739.12

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Solution

The fourth proportional to 3,065.44, 4,230.20 and 1,739.12 is: 2,399.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.44 : 4,230.20 = 1,739.12 : x
  2. Step 2: Convert to fraction form
    3,065.44/4,230.20 = 1,739.12/x
  3. Step 3: Cross multiply
    3,065.44x = 4,230.20 × 1,739.12
  4. Step 4: Simplify right side
    3,065.44x = 7,356,825.42
  5. Step 5: Solve for x
    x = 7,356,825.42/3,065.44
  6. Step 6: Final answer
    x = 2,399.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.