Home / 2,550.28-3,519.53-1,605.71

Finding the Fourth Proportional to 2,550.28, 3,519.53 and 1,605.71

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Solution

The fourth proportional to 2,550.28, 3,519.53 and 1,605.71 is: 2,215.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.28 : 3,519.53 = 1,605.71 : x
  2. Step 2: Convert to fraction form
    2,550.28/3,519.53 = 1,605.71/x
  3. Step 3: Cross multiply
    2,550.28x = 3,519.53 × 1,605.71
  4. Step 4: Simplify right side
    2,550.28x = 5,651,344.52
  5. Step 5: Solve for x
    x = 5,651,344.52/2,550.28
  6. Step 6: Final answer
    x = 2,215.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.