Home / 3,853.43-5,317.73-2,085.03

Finding the Fourth Proportional to 3,853.43, 5,317.73 and 2,085.03

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Solution

The fourth proportional to 3,853.43, 5,317.73 and 2,085.03 is: 2,877.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.43 : 5,317.73 = 2,085.03 : x
  2. Step 2: Convert to fraction form
    3,853.43/5,317.73 = 2,085.03/x
  3. Step 3: Cross multiply
    3,853.43x = 5,317.73 × 2,085.03
  4. Step 4: Simplify right side
    3,853.43x = 11,087,626.58
  5. Step 5: Solve for x
    x = 11,087,626.58/3,853.43
  6. Step 6: Final answer
    x = 2,877.34

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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.