Home / 2,589.08-3,883.66-1,442.12

Finding the Fourth Proportional to 2,589.08, 3,883.66 and 1,442.12

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Solution

The fourth proportional to 2,589.08, 3,883.66 and 1,442.12 is: 2,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589.08 : 3,883.66 = 1,442.12 : x
  2. Step 2: Convert to fraction form
    2,589.08/3,883.66 = 1,442.12/x
  3. Step 3: Cross multiply
    2,589.08x = 3,883.66 × 1,442.12
  4. Step 4: Simplify right side
    2,589.08x = 5,600,703.76
  5. Step 5: Solve for x
    x = 5,600,703.76/2,589.08
  6. Step 6: Final answer
    x = 2,163.20

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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.