Home / 2,476.21-3,712.56-1,242.73

Finding the Fourth Proportional to 2,476.21, 3,712.56 and 1,242.73

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Solution

The fourth proportional to 2,476.21, 3,712.56 and 1,242.73 is: 1,863.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.21 : 3,712.56 = 1,242.73 : x
  2. Step 2: Convert to fraction form
    2,476.21/3,712.56 = 1,242.73/x
  3. Step 3: Cross multiply
    2,476.21x = 3,712.56 × 1,242.73
  4. Step 4: Simplify right side
    2,476.21x = 4,613,709.69
  5. Step 5: Solve for x
    x = 4,613,709.69/2,476.21
  6. Step 6: Final answer
    x = 1,863.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.