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Finding the Fourth Proportional to 3,263.41, 4,895.12 and 1,072.32

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Solution

The fourth proportional to 3,263.41, 4,895.12 and 1,072.32 is: 1,608.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.41 : 4,895.12 = 1,072.32 : x
  2. Step 2: Convert to fraction form
    3,263.41/4,895.12 = 1,072.32/x
  3. Step 3: Cross multiply
    3,263.41x = 4,895.12 × 1,072.32
  4. Step 4: Simplify right side
    3,263.41x = 5,249,135.08
  5. Step 5: Solve for x
    x = 5,249,135.08/3,263.41
  6. Step 6: Final answer
    x = 1,608.48

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Similar ratio
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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.