Home / 3,027.76-4,176.42-1,906.74

Finding the Fourth Proportional to 3,027.76, 4,176.42 and 1,906.74

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Solution

The fourth proportional to 3,027.76, 4,176.42 and 1,906.74 is: 2,630.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.76 : 4,176.42 = 1,906.74 : x
  2. Step 2: Convert to fraction form
    3,027.76/4,176.42 = 1,906.74/x
  3. Step 3: Cross multiply
    3,027.76x = 4,176.42 × 1,906.74
  4. Step 4: Simplify right side
    3,027.76x = 7,963,347.07
  5. Step 5: Solve for x
    x = 7,963,347.07/3,027.76
  6. Step 6: Final answer
    x = 2,630.11

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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.