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Finding the Fourth Proportional to 3,449.08, 4,763.08 and 2,948.80

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Solution

The fourth proportional to 3,449.08, 4,763.08 and 2,948.80 is: 4,072.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.08 : 4,763.08 = 2,948.80 : x
  2. Step 2: Convert to fraction form
    3,449.08/4,763.08 = 2,948.80/x
  3. Step 3: Cross multiply
    3,449.08x = 4,763.08 × 2,948.80
  4. Step 4: Simplify right side
    3,449.08x = 14,045,370.30
  5. Step 5: Solve for x
    x = 14,045,370.30/3,449.08
  6. Step 6: Final answer
    x = 4,072.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.