Home / 3,548.90-5,319.03-3,108.98

Finding the Fourth Proportional to 3,548.90, 5,319.03 and 3,108.98

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Solution

The fourth proportional to 3,548.90, 5,319.03 and 3,108.98 is: 4,659.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.90 : 5,319.03 = 3,108.98 : x
  2. Step 2: Convert to fraction form
    3,548.90/5,319.03 = 3,108.98/x
  3. Step 3: Cross multiply
    3,548.90x = 5,319.03 × 3,108.98
  4. Step 4: Simplify right side
    3,548.90x = 16,536,757.89
  5. Step 5: Solve for x
    x = 16,536,757.89/3,548.90
  6. Step 6: Final answer
    x = 4,659.69

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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.