Home / 3,085.93-4,626.19-1,238.59

Finding the Fourth Proportional to 3,085.93, 4,626.19 and 1,238.59

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Solution

The fourth proportional to 3,085.93, 4,626.19 and 1,238.59 is: 1,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.93 : 4,626.19 = 1,238.59 : x
  2. Step 2: Convert to fraction form
    3,085.93/4,626.19 = 1,238.59/x
  3. Step 3: Cross multiply
    3,085.93x = 4,626.19 × 1,238.59
  4. Step 4: Simplify right side
    3,085.93x = 5,729,952.67
  5. Step 5: Solve for x
    x = 5,729,952.67/3,085.93
  6. Step 6: Final answer
    x = 1,856.80

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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.