Home / 3,316.15-4,568.33-2,842.55

Finding the Fourth Proportional to 3,316.15, 4,568.33 and 2,842.55

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Solution

The fourth proportional to 3,316.15, 4,568.33 and 2,842.55 is: 3,915.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.15 : 4,568.33 = 2,842.55 : x
  2. Step 2: Convert to fraction form
    3,316.15/4,568.33 = 2,842.55/x
  3. Step 3: Cross multiply
    3,316.15x = 4,568.33 × 2,842.55
  4. Step 4: Simplify right side
    3,316.15x = 12,985,706.44
  5. Step 5: Solve for x
    x = 12,985,706.44/3,316.15
  6. Step 6: Final answer
    x = 3,915.90

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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.