Home / 2,180.13-3,010.01-1,589.64

Finding the Fourth Proportional to 2,180.13, 3,010.01 and 1,589.64

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Solution

The fourth proportional to 2,180.13, 3,010.01 and 1,589.64 is: 2,194.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.13 : 3,010.01 = 1,589.64 : x
  2. Step 2: Convert to fraction form
    2,180.13/3,010.01 = 1,589.64/x
  3. Step 3: Cross multiply
    2,180.13x = 3,010.01 × 1,589.64
  4. Step 4: Simplify right side
    2,180.13x = 4,784,824.35
  5. Step 5: Solve for x
    x = 4,784,824.35/2,180.13
  6. Step 6: Final answer
    x = 2,194.74

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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.