Home / 3,126.30-4,687.14-1,893.44

Finding the Fourth Proportional to 3,126.30, 4,687.14 and 1,893.44

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Solution

The fourth proportional to 3,126.30, 4,687.14 and 1,893.44 is: 2,838.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.30 : 4,687.14 = 1,893.44 : x
  2. Step 2: Convert to fraction form
    3,126.30/4,687.14 = 1,893.44/x
  3. Step 3: Cross multiply
    3,126.30x = 4,687.14 × 1,893.44
  4. Step 4: Simplify right side
    3,126.30x = 8,874,818.36
  5. Step 5: Solve for x
    x = 8,874,818.36/3,126.30
  6. Step 6: Final answer
    x = 2,838.76

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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.