Home / 3,085.44-4,629.32-1,853.71

Finding the Fourth Proportional to 3,085.44, 4,629.32 and 1,853.71

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Solution

The fourth proportional to 3,085.44, 4,629.32 and 1,853.71 is: 2,781.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.44 : 4,629.32 = 1,853.71 : x
  2. Step 2: Convert to fraction form
    3,085.44/4,629.32 = 1,853.71/x
  3. Step 3: Cross multiply
    3,085.44x = 4,629.32 × 1,853.71
  4. Step 4: Simplify right side
    3,085.44x = 8,581,416.78
  5. Step 5: Solve for x
    x = 8,581,416.78/3,085.44
  6. Step 6: Final answer
    x = 2,781.26

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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.