Home / 3,453.22-4,765.53-2,127.66

Finding the Fourth Proportional to 3,453.22, 4,765.53 and 2,127.66

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Solution

The fourth proportional to 3,453.22, 4,765.53 and 2,127.66 is: 2,936.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.22 : 4,765.53 = 2,127.66 : x
  2. Step 2: Convert to fraction form
    3,453.22/4,765.53 = 2,127.66/x
  3. Step 3: Cross multiply
    3,453.22x = 4,765.53 × 2,127.66
  4. Step 4: Simplify right side
    3,453.22x = 10,139,427.56
  5. Step 5: Solve for x
    x = 10,139,427.56/3,453.22
  6. Step 6: Final answer
    x = 2,936.22

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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.