Home / 2,601.26-3,589.43-1,856.78

Finding the Fourth Proportional to 2,601.26, 3,589.43 and 1,856.78

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Solution

The fourth proportional to 2,601.26, 3,589.43 and 1,856.78 is: 2,562.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.26 : 3,589.43 = 1,856.78 : x
  2. Step 2: Convert to fraction form
    2,601.26/3,589.43 = 1,856.78/x
  3. Step 3: Cross multiply
    2,601.26x = 3,589.43 × 1,856.78
  4. Step 4: Simplify right side
    2,601.26x = 6,664,781.84
  5. Step 5: Solve for x
    x = 6,664,781.84/2,601.26
  6. Step 6: Final answer
    x = 2,562.14

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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.