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Finding the Fourth Proportional to 3,137.36, 4,706.36 and 3,124.56

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Solution

The fourth proportional to 3,137.36, 4,706.36 and 3,124.56 is: 4,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.36 : 4,706.36 = 3,124.56 : x
  2. Step 2: Convert to fraction form
    3,137.36/4,706.36 = 3,124.56/x
  3. Step 3: Cross multiply
    3,137.36x = 4,706.36 × 3,124.56
  4. Step 4: Simplify right side
    3,137.36x = 14,705,304.20
  5. Step 5: Solve for x
    x = 14,705,304.20/3,137.36
  6. Step 6: Final answer
    x = 4,687.16

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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.