Home / 3,035.40-4,186.72-2,183.92

Finding the Fourth Proportional to 3,035.40, 4,186.72 and 2,183.92

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Solution

The fourth proportional to 3,035.40, 4,186.72 and 2,183.92 is: 3,012.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.40 : 4,186.72 = 2,183.92 : x
  2. Step 2: Convert to fraction form
    3,035.40/4,186.72 = 2,183.92/x
  3. Step 3: Cross multiply
    3,035.40x = 4,186.72 × 2,183.92
  4. Step 4: Simplify right side
    3,035.40x = 9,143,461.54
  5. Step 5: Solve for x
    x = 9,143,461.54/3,035.40
  6. Step 6: Final answer
    x = 3,012.28

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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.