Home / 2,747.74-3,790.34-1,627.59

Finding the Fourth Proportional to 2,747.74, 3,790.34 and 1,627.59

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Solution

The fourth proportional to 2,747.74, 3,790.34 and 1,627.59 is: 2,245.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.74 : 3,790.34 = 1,627.59 : x
  2. Step 2: Convert to fraction form
    2,747.74/3,790.34 = 1,627.59/x
  3. Step 3: Cross multiply
    2,747.74x = 3,790.34 × 1,627.59
  4. Step 4: Simplify right side
    2,747.74x = 6,169,119.48
  5. Step 5: Solve for x
    x = 6,169,119.48/2,747.74
  6. Step 6: Final answer
    x = 2,245.16

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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.