Home / 2,660.22-4,003.01-2,195.08

Finding the Fourth Proportional to 2,660.22, 4,003.01 and 2,195.08

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Solution

The fourth proportional to 2,660.22, 4,003.01 and 2,195.08 is: 3,303.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.22 : 4,003.01 = 2,195.08 : x
  2. Step 2: Convert to fraction form
    2,660.22/4,003.01 = 2,195.08/x
  3. Step 3: Cross multiply
    2,660.22x = 4,003.01 × 2,195.08
  4. Step 4: Simplify right side
    2,660.22x = 8,786,927.19
  5. Step 5: Solve for x
    x = 8,786,927.19/2,660.22
  6. Step 6: Final answer
    x = 3,303.08

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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.