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Finding the Fourth Proportional to 3,025.84, 4,538.52 and 834.64

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Solution

The fourth proportional to 3,025.84, 4,538.52 and 834.64 is: 1,251.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.84 : 4,538.52 = 834.64 : x
  2. Step 2: Convert to fraction form
    3,025.84/4,538.52 = 834.64/x
  3. Step 3: Cross multiply
    3,025.84x = 4,538.52 × 834.64
  4. Step 4: Simplify right side
    3,025.84x = 3,788,030.33
  5. Step 5: Solve for x
    x = 3,788,030.33/3,025.84
  6. Step 6: Final answer
    x = 1,251.89

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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.