Home / 2,589.21-3,577.29-1,806.75

Finding the Fourth Proportional to 2,589.21, 3,577.29 and 1,806.75

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Solution

The fourth proportional to 2,589.21, 3,577.29 and 1,806.75 is: 2,496.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589.21 : 3,577.29 = 1,806.75 : x
  2. Step 2: Convert to fraction form
    2,589.21/3,577.29 = 1,806.75/x
  3. Step 3: Cross multiply
    2,589.21x = 3,577.29 × 1,806.75
  4. Step 4: Simplify right side
    2,589.21x = 6,463,268.71
  5. Step 5: Solve for x
    x = 6,463,268.71/2,589.21
  6. Step 6: Final answer
    x = 2,496.23

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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.