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Finding the Fourth Proportional to 2,502.48, 3,453.36 and 1,383.48

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Solution

The fourth proportional to 2,502.48, 3,453.36 and 1,383.48 is: 1,909.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,502.48 : 3,453.36 = 1,383.48 : x
  2. Step 2: Convert to fraction form
    2,502.48/3,453.36 = 1,383.48/x
  3. Step 3: Cross multiply
    2,502.48x = 3,453.36 × 1,383.48
  4. Step 4: Simplify right side
    2,502.48x = 4,777,654.49
  5. Step 5: Solve for x
    x = 4,777,654.49/2,502.48
  6. Step 6: Final answer
    x = 1,909.17

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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.