Home / 2,502.21-3,452.95-1,383.07

Finding the Fourth Proportional to 2,502.21, 3,452.95 and 1,383.07

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Solution

The fourth proportional to 2,502.21, 3,452.95 and 1,383.07 is: 1,908.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,502.21 : 3,452.95 = 1,383.07 : x
  2. Step 2: Convert to fraction form
    2,502.21/3,452.95 = 1,383.07/x
  3. Step 3: Cross multiply
    2,502.21x = 3,452.95 × 1,383.07
  4. Step 4: Simplify right side
    2,502.21x = 4,775,664.64
  5. Step 5: Solve for x
    x = 4,775,664.64/2,502.21
  6. Step 6: Final answer
    x = 1,908.58

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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.