Home / 2,708.27-4,057.20-1,665.20

Finding the Fourth Proportional to 2,708.27, 4,057.20 and 1,665.20

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Solution

The fourth proportional to 2,708.27, 4,057.20 and 1,665.20 is: 2,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.27 : 4,057.20 = 1,665.20 : x
  2. Step 2: Convert to fraction form
    2,708.27/4,057.20 = 1,665.20/x
  3. Step 3: Cross multiply
    2,708.27x = 4,057.20 × 1,665.20
  4. Step 4: Simplify right side
    2,708.27x = 6,756,029.15
  5. Step 5: Solve for x
    x = 6,756,029.15/2,708.27
  6. Step 6: Final answer
    x = 2,494.60

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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.