Home / 2,589.56-3,883.65-1,029.50

Finding the Fourth Proportional to 2,589.56, 3,883.65 and 1,029.50

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Solution

The fourth proportional to 2,589.56, 3,883.65 and 1,029.50 is: 1,543.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589.56 : 3,883.65 = 1,029.50 : x
  2. Step 2: Convert to fraction form
    2,589.56/3,883.65 = 1,029.50/x
  3. Step 3: Cross multiply
    2,589.56x = 3,883.65 × 1,029.50
  4. Step 4: Simplify right side
    2,589.56x = 3,998,198.26
  5. Step 5: Solve for x
    x = 3,998,198.26/2,589.56
  6. Step 6: Final answer
    x = 1,543.97

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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.