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Finding the Fourth Proportional to 3,548.16, 4,918.80 and 3,360.80

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Solution

The fourth proportional to 3,548.16, 4,918.80 and 3,360.80 is: 4,659.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.16 : 4,918.80 = 3,360.80 : x
  2. Step 2: Convert to fraction form
    3,548.16/4,918.80 = 3,360.80/x
  3. Step 3: Cross multiply
    3,548.16x = 4,918.80 × 3,360.80
  4. Step 4: Simplify right side
    3,548.16x = 16,531,103.04
  5. Step 5: Solve for x
    x = 16,531,103.04/3,548.16
  6. Step 6: Final answer
    x = 4,659.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.