Home / 3,854.42-5,319.16-2,175.50

Finding the Fourth Proportional to 3,854.42, 5,319.16 and 2,175.50

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Solution

The fourth proportional to 3,854.42, 5,319.16 and 2,175.50 is: 3,002.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.42 : 5,319.16 = 2,175.50 : x
  2. Step 2: Convert to fraction form
    3,854.42/5,319.16 = 2,175.50/x
  3. Step 3: Cross multiply
    3,854.42x = 5,319.16 × 2,175.50
  4. Step 4: Simplify right side
    3,854.42x = 11,571,832.58
  5. Step 5: Solve for x
    x = 11,571,832.58/3,854.42
  6. Step 6: Final answer
    x = 3,002.22

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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.