Home / 2,397.06-3,611.52-2,166.21

Finding the Fourth Proportional to 2,397.06, 3,611.52 and 2,166.21

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Solution

The fourth proportional to 2,397.06, 3,611.52 and 2,166.21 is: 3,263.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,397.06 : 3,611.52 = 2,166.21 : x
  2. Step 2: Convert to fraction form
    2,397.06/3,611.52 = 2,166.21/x
  3. Step 3: Cross multiply
    2,397.06x = 3,611.52 × 2,166.21
  4. Step 4: Simplify right side
    2,397.06x = 7,823,310.74
  5. Step 5: Solve for x
    x = 7,823,310.74/2,397.06
  6. Step 6: Final answer
    x = 3,263.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.