Home / 2,660.47-4,003.38-2,195.33

Finding the Fourth Proportional to 2,660.47, 4,003.38 and 2,195.33

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Solution

The fourth proportional to 2,660.47, 4,003.38 and 2,195.33 is: 3,303.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.47 : 4,003.38 = 2,195.33 : x
  2. Step 2: Convert to fraction form
    2,660.47/4,003.38 = 2,195.33/x
  3. Step 3: Cross multiply
    2,660.47x = 4,003.38 × 2,195.33
  4. Step 4: Simplify right side
    2,660.47x = 8,788,720.20
  5. Step 5: Solve for x
    x = 8,788,720.20/2,660.47
  6. Step 6: Final answer
    x = 3,303.45

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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.