Home / 2,518.11-3,473.37-1,986.17

Finding the Fourth Proportional to 2,518.11, 3,473.37 and 1,986.17

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Solution

The fourth proportional to 2,518.11, 3,473.37 and 1,986.17 is: 2,739.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.11 : 3,473.37 = 1,986.17 : x
  2. Step 2: Convert to fraction form
    2,518.11/3,473.37 = 1,986.17/x
  3. Step 3: Cross multiply
    2,518.11x = 3,473.37 × 1,986.17
  4. Step 4: Simplify right side
    2,518.11x = 6,898,685.93
  5. Step 5: Solve for x
    x = 6,898,685.93/2,518.11
  6. Step 6: Final answer
    x = 2,739.63

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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.