Home / 2,637.28-3,640.98-1,589.68

Finding the Fourth Proportional to 2,637.28, 3,640.98 and 1,589.68

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Solution

The fourth proportional to 2,637.28, 3,640.98 and 1,589.68 is: 2,194.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.28 : 3,640.98 = 1,589.68 : x
  2. Step 2: Convert to fraction form
    2,637.28/3,640.98 = 1,589.68/x
  3. Step 3: Cross multiply
    2,637.28x = 3,640.98 × 1,589.68
  4. Step 4: Simplify right side
    2,637.28x = 5,787,993.09
  5. Step 5: Solve for x
    x = 5,787,993.09/2,637.28
  6. Step 6: Final answer
    x = 2,194.68

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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.