Home / 3,427.74-5,121.60-2,534.49

Finding the Fourth Proportional to 3,427.74, 5,121.60 and 2,534.49

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Solution

The fourth proportional to 3,427.74, 5,121.60 and 2,534.49 is: 3,786.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.74 : 5,121.60 = 2,534.49 : x
  2. Step 2: Convert to fraction form
    3,427.74/5,121.60 = 2,534.49/x
  3. Step 3: Cross multiply
    3,427.74x = 5,121.60 × 2,534.49
  4. Step 4: Simplify right side
    3,427.74x = 12,980,655.86
  5. Step 5: Solve for x
    x = 12,980,655.86/3,427.74
  6. Step 6: Final answer
    x = 3,786.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.