Home / 2,680.36-4,045.27-2,611.24

Finding the Fourth Proportional to 2,680.36, 4,045.27 and 2,611.24

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Solution

The fourth proportional to 2,680.36, 4,045.27 and 2,611.24 is: 3,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.36 : 4,045.27 = 2,611.24 : x
  2. Step 2: Convert to fraction form
    2,680.36/4,045.27 = 2,611.24/x
  3. Step 3: Cross multiply
    2,680.36x = 4,045.27 × 2,611.24
  4. Step 4: Simplify right side
    2,680.36x = 10,563,170.83
  5. Step 5: Solve for x
    x = 10,563,170.83/2,680.36
  6. Step 6: Final answer
    x = 3,940.95

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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.