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Finding the Fourth Proportional to 2,834.56, 4,252.28 and 886.32

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Solution

The fourth proportional to 2,834.56, 4,252.28 and 886.32 is: 1,329.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.56 : 4,252.28 = 886.32 : x
  2. Step 2: Convert to fraction form
    2,834.56/4,252.28 = 886.32/x
  3. Step 3: Cross multiply
    2,834.56x = 4,252.28 × 886.32
  4. Step 4: Simplify right side
    2,834.56x = 3,768,880.81
  5. Step 5: Solve for x
    x = 3,768,880.81/2,834.56
  6. Step 6: Final answer
    x = 1,329.62

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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.