Home / 3,915.58-5,871.07-2,600.05

Finding the Fourth Proportional to 3,915.58, 5,871.07 and 2,600.05

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Solution

The fourth proportional to 3,915.58, 5,871.07 and 2,600.05 is: 3,898.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915.58 : 5,871.07 = 2,600.05 : x
  2. Step 2: Convert to fraction form
    3,915.58/5,871.07 = 2,600.05/x
  3. Step 3: Cross multiply
    3,915.58x = 5,871.07 × 2,600.05
  4. Step 4: Simplify right side
    3,915.58x = 15,265,090.05
  5. Step 5: Solve for x
    x = 15,265,090.05/3,915.58
  6. Step 6: Final answer
    x = 3,898.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.