Home / 3,560.22-4,915.41-3,186.55

Finding the Fourth Proportional to 3,560.22, 4,915.41 and 3,186.55

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Solution

The fourth proportional to 3,560.22, 4,915.41 and 3,186.55 is: 4,399.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.22 : 4,915.41 = 3,186.55 : x
  2. Step 2: Convert to fraction form
    3,560.22/4,915.41 = 3,186.55/x
  3. Step 3: Cross multiply
    3,560.22x = 4,915.41 × 3,186.55
  4. Step 4: Simplify right side
    3,560.22x = 15,663,199.74
  5. Step 5: Solve for x
    x = 15,663,199.74/3,560.22
  6. Step 6: Final answer
    x = 4,399.50

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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.