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Finding the Fourth Proportional to 3,113.10, 4,662.12 and 1,792.86

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Solution

The fourth proportional to 3,113.10, 4,662.12 and 1,792.86 is: 2,684.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.10 : 4,662.12 = 1,792.86 : x
  2. Step 2: Convert to fraction form
    3,113.10/4,662.12 = 1,792.86/x
  3. Step 3: Cross multiply
    3,113.10x = 4,662.12 × 1,792.86
  4. Step 4: Simplify right side
    3,113.10x = 8,358,528.46
  5. Step 5: Solve for x
    x = 8,358,528.46/3,113.10
  6. Step 6: Final answer
    x = 2,684.95

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1.5x scale

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.