Home / 3,175.21-4,376.86-2,584.72

Finding the Fourth Proportional to 3,175.21, 4,376.86 and 2,584.72

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Solution

The fourth proportional to 3,175.21, 4,376.86 and 2,584.72 is: 3,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.21 : 4,376.86 = 2,584.72 : x
  2. Step 2: Convert to fraction form
    3,175.21/4,376.86 = 2,584.72/x
  3. Step 3: Cross multiply
    3,175.21x = 4,376.86 × 2,584.72
  4. Step 4: Simplify right side
    3,175.21x = 11,312,957.58
  5. Step 5: Solve for x
    x = 11,312,957.58/3,175.21
  6. Step 6: Final answer
    x = 3,562.90

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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.