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Finding the Fourth Proportional to 2,886.24, 4,329.40 and 834.24

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Solution

The fourth proportional to 2,886.24, 4,329.40 and 834.24 is: 1,251.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.24 : 4,329.40 = 834.24 : x
  2. Step 2: Convert to fraction form
    2,886.24/4,329.40 = 834.24/x
  3. Step 3: Cross multiply
    2,886.24x = 4,329.40 × 834.24
  4. Step 4: Simplify right side
    2,886.24x = 3,611,758.66
  5. Step 5: Solve for x
    x = 3,611,758.66/2,886.24
  6. Step 6: Final answer
    x = 1,251.37

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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.