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Finding the Fourth Proportional to 2,834.79, 4,252.38 and 886.94

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Solution

The fourth proportional to 2,834.79, 4,252.38 and 886.94 is: 1,330.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.79 : 4,252.38 = 886.94 : x
  2. Step 2: Convert to fraction form
    2,834.79/4,252.38 = 886.94/x
  3. Step 3: Cross multiply
    2,834.79x = 4,252.38 × 886.94
  4. Step 4: Simplify right side
    2,834.79x = 3,771,605.92
  5. Step 5: Solve for x
    x = 3,771,605.92/2,834.79
  6. Step 6: Final answer
    x = 1,330.47

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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.