Home / 2,589.14-3,572.43-2,171.18

Finding the Fourth Proportional to 2,589.14, 3,572.43 and 2,171.18

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Solution

The fourth proportional to 2,589.14, 3,572.43 and 2,171.18 is: 2,995.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589.14 : 3,572.43 = 2,171.18 : x
  2. Step 2: Convert to fraction form
    2,589.14/3,572.43 = 2,171.18/x
  3. Step 3: Cross multiply
    2,589.14x = 3,572.43 × 2,171.18
  4. Step 4: Simplify right side
    2,589.14x = 7,756,388.57
  5. Step 5: Solve for x
    x = 7,756,388.57/2,589.14
  6. Step 6: Final answer
    x = 2,995.74

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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.