Home / 1,944.25-2,680.88-1,589.07

Finding the Fourth Proportional to 1,944.25, 2,680.88 and 1,589.07

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Solution

The fourth proportional to 1,944.25, 2,680.88 and 1,589.07 is: 2,191.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.25 : 2,680.88 = 1,589.07 : x
  2. Step 2: Convert to fraction form
    1,944.25/2,680.88 = 1,589.07/x
  3. Step 3: Cross multiply
    1,944.25x = 2,680.88 × 1,589.07
  4. Step 4: Simplify right side
    1,944.25x = 4,260,107.24
  5. Step 5: Solve for x
    x = 4,260,107.24/1,944.25
  6. Step 6: Final answer
    x = 2,191.13

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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.