Home / 3,642.20-5,464.10-2,162.77

Finding the Fourth Proportional to 3,642.20, 5,464.10 and 2,162.77

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Solution

The fourth proportional to 3,642.20, 5,464.10 and 2,162.77 is: 3,244.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.20 : 5,464.10 = 2,162.77 : x
  2. Step 2: Convert to fraction form
    3,642.20/5,464.10 = 2,162.77/x
  3. Step 3: Cross multiply
    3,642.20x = 5,464.10 × 2,162.77
  4. Step 4: Simplify right side
    3,642.20x = 11,817,576.02
  5. Step 5: Solve for x
    x = 11,817,576.02/3,642.20
  6. Step 6: Final answer
    x = 3,244.63

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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.