Home / 3,853.22-5,319.41-2,672.24

Finding the Fourth Proportional to 3,853.22, 5,319.41 and 2,672.24

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Solution

The fourth proportional to 3,853.22, 5,319.41 and 2,672.24 is: 3,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.22 : 5,319.41 = 2,672.24 : x
  2. Step 2: Convert to fraction form
    3,853.22/5,319.41 = 2,672.24/x
  3. Step 3: Cross multiply
    3,853.22x = 5,319.41 × 2,672.24
  4. Step 4: Simplify right side
    3,853.22x = 14,214,740.18
  5. Step 5: Solve for x
    x = 14,214,740.18/3,853.22
  6. Step 6: Final answer
    x = 3,689.05

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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.