Home / 2,561.45-3,535.07-1,442.66

Finding the Fourth Proportional to 2,561.45, 3,535.07 and 1,442.66

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Solution

The fourth proportional to 2,561.45, 3,535.07 and 1,442.66 is: 1,991.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561.45 : 3,535.07 = 1,442.66 : x
  2. Step 2: Convert to fraction form
    2,561.45/3,535.07 = 1,442.66/x
  3. Step 3: Cross multiply
    2,561.45x = 3,535.07 × 1,442.66
  4. Step 4: Simplify right side
    2,561.45x = 5,099,879.20
  5. Step 5: Solve for x
    x = 5,099,879.20/2,561.45
  6. Step 6: Final answer
    x = 1,991.02

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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.