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Finding the Fourth Proportional to 2,084.52, 3,124.58 and 834.64

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Solution

The fourth proportional to 2,084.52, 3,124.58 and 834.64 is: 1,251.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.52 : 3,124.58 = 834.64 : x
  2. Step 2: Convert to fraction form
    2,084.52/3,124.58 = 834.64/x
  3. Step 3: Cross multiply
    2,084.52x = 3,124.58 × 834.64
  4. Step 4: Simplify right side
    2,084.52x = 2,607,899.45
  5. Step 5: Solve for x
    x = 2,607,899.45/2,084.52
  6. Step 6: Final answer
    x = 1,251.08

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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.