Home / 3,072.41-4,239.69-1,893.50

Finding the Fourth Proportional to 3,072.41, 4,239.69 and 1,893.50

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Solution

The fourth proportional to 3,072.41, 4,239.69 and 1,893.50 is: 2,612.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.41 : 4,239.69 = 1,893.50 : x
  2. Step 2: Convert to fraction form
    3,072.41/4,239.69 = 1,893.50/x
  3. Step 3: Cross multiply
    3,072.41x = 4,239.69 × 1,893.50
  4. Step 4: Simplify right side
    3,072.41x = 8,027,831.82
  5. Step 5: Solve for x
    x = 8,027,831.82/3,072.41
  6. Step 6: Final answer
    x = 2,612.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.