Home / 3,175.26-4,376.04-2,111.16

Finding the Fourth Proportional to 3,175.26, 4,376.04 and 2,111.16

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Solution

The fourth proportional to 3,175.26, 4,376.04 and 2,111.16 is: 2,909.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.26 : 4,376.04 = 2,111.16 : x
  2. Step 2: Convert to fraction form
    3,175.26/4,376.04 = 2,111.16/x
  3. Step 3: Cross multiply
    3,175.26x = 4,376.04 × 2,111.16
  4. Step 4: Simplify right side
    3,175.26x = 9,238,520.61
  5. Step 5: Solve for x
    x = 9,238,520.61/3,175.26
  6. Step 6: Final answer
    x = 2,909.53

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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.