Home / 1,975.48-2,724.35-1,818.44

Finding the Fourth Proportional to 1,975.48, 2,724.35 and 1,818.44

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Solution

The fourth proportional to 1,975.48, 2,724.35 and 1,818.44 is: 2,507.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.48 : 2,724.35 = 1,818.44 : x
  2. Step 2: Convert to fraction form
    1,975.48/2,724.35 = 1,818.44/x
  3. Step 3: Cross multiply
    1,975.48x = 2,724.35 × 1,818.44
  4. Step 4: Simplify right side
    1,975.48x = 4,954,067.01
  5. Step 5: Solve for x
    x = 4,954,067.01/1,975.48
  6. Step 6: Final answer
    x = 2,507.78

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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.