Home / 2,589.80-3,884.70-1,614.56

Finding the Fourth Proportional to 2,589.80, 3,884.70 and 1,614.56

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Solution

The fourth proportional to 2,589.80, 3,884.70 and 1,614.56 is: 2,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589.80 : 3,884.70 = 1,614.56 : x
  2. Step 2: Convert to fraction form
    2,589.80/3,884.70 = 1,614.56/x
  3. Step 3: Cross multiply
    2,589.80x = 3,884.70 × 1,614.56
  4. Step 4: Simplify right side
    2,589.80x = 6,272,081.23
  5. Step 5: Solve for x
    x = 6,272,081.23/2,589.80
  6. Step 6: Final answer
    x = 2,421.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.