Home / 3,660.13-5,484.25-2,195.65

Finding the Fourth Proportional to 3,660.13, 5,484.25 and 2,195.65

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Solution

The fourth proportional to 3,660.13, 5,484.25 and 2,195.65 is: 3,289.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.13 : 5,484.25 = 2,195.65 : x
  2. Step 2: Convert to fraction form
    3,660.13/5,484.25 = 2,195.65/x
  3. Step 3: Cross multiply
    3,660.13x = 5,484.25 × 2,195.65
  4. Step 4: Simplify right side
    3,660.13x = 12,041,493.51
  5. Step 5: Solve for x
    x = 12,041,493.51/3,660.13
  6. Step 6: Final answer
    x = 3,289.91

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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.