Home / 3,137.10-4,701.57-1,286.07

Finding the Fourth Proportional to 3,137.10, 4,701.57 and 1,286.07

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Solution

The fourth proportional to 3,137.10, 4,701.57 and 1,286.07 is: 1,927.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.10 : 4,701.57 = 1,286.07 : x
  2. Step 2: Convert to fraction form
    3,137.10/4,701.57 = 1,286.07/x
  3. Step 3: Cross multiply
    3,137.10x = 4,701.57 × 1,286.07
  4. Step 4: Simplify right side
    3,137.10x = 6,046,548.13
  5. Step 5: Solve for x
    x = 6,046,548.13/3,137.10
  6. Step 6: Final answer
    x = 1,927.43

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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.