Home / 2,612.12-3,605.24-1,550.46

Finding the Fourth Proportional to 2,612.12, 3,605.24 and 1,550.46

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Solution

The fourth proportional to 2,612.12, 3,605.24 and 1,550.46 is: 2,139.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.12 : 3,605.24 = 1,550.46 : x
  2. Step 2: Convert to fraction form
    2,612.12/3,605.24 = 1,550.46/x
  3. Step 3: Cross multiply
    2,612.12x = 3,605.24 × 1,550.46
  4. Step 4: Simplify right side
    2,612.12x = 5,589,772.66
  5. Step 5: Solve for x
    x = 5,589,772.66/2,612.12
  6. Step 6: Final answer
    x = 2,139.94

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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.