Home / 2,611.14-3,891.51-2,607.03

Finding the Fourth Proportional to 2,611.14, 3,891.51 and 2,607.03

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Solution

The fourth proportional to 2,611.14, 3,891.51 and 2,607.03 is: 3,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.14 : 3,891.51 = 2,607.03 : x
  2. Step 2: Convert to fraction form
    2,611.14/3,891.51 = 2,607.03/x
  3. Step 3: Cross multiply
    2,611.14x = 3,891.51 × 2,607.03
  4. Step 4: Simplify right side
    2,611.14x = 10,145,283.32
  5. Step 5: Solve for x
    x = 10,145,283.32/2,611.14
  6. Step 6: Final answer
    x = 3,885.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.