Home / 3,638.52-5,021.73-2,312.82

Finding the Fourth Proportional to 3,638.52, 5,021.73 and 2,312.82

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Solution

The fourth proportional to 3,638.52, 5,021.73 and 2,312.82 is: 3,192.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.52 : 5,021.73 = 2,312.82 : x
  2. Step 2: Convert to fraction form
    3,638.52/5,021.73 = 2,312.82/x
  3. Step 3: Cross multiply
    3,638.52x = 5,021.73 × 2,312.82
  4. Step 4: Simplify right side
    3,638.52x = 11,614,357.58
  5. Step 5: Solve for x
    x = 11,614,357.58/3,638.52
  6. Step 6: Final answer
    x = 3,192.06

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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.