Home / 3,487.98-5,257.05-3,006.84

Finding the Fourth Proportional to 3,487.98, 5,257.05 and 3,006.84

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Solution

The fourth proportional to 3,487.98, 5,257.05 and 3,006.84 is: 4,531.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.98 : 5,257.05 = 3,006.84 : x
  2. Step 2: Convert to fraction form
    3,487.98/5,257.05 = 3,006.84/x
  3. Step 3: Cross multiply
    3,487.98x = 5,257.05 × 3,006.84
  4. Step 4: Simplify right side
    3,487.98x = 15,807,108.22
  5. Step 5: Solve for x
    x = 15,807,108.22/3,487.98
  6. Step 6: Final answer
    x = 4,531.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.