Home / 3,973.86-5,483.30-2,205.43

Finding the Fourth Proportional to 3,973.86, 5,483.30 and 2,205.43

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Solution

The fourth proportional to 3,973.86, 5,483.30 and 2,205.43 is: 3,043.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.86 : 5,483.30 = 2,205.43 : x
  2. Step 2: Convert to fraction form
    3,973.86/5,483.30 = 2,205.43/x
  3. Step 3: Cross multiply
    3,973.86x = 5,483.30 × 2,205.43
  4. Step 4: Simplify right side
    3,973.86x = 12,093,009.58
  5. Step 5: Solve for x
    x = 12,093,009.58/3,973.86
  6. Step 6: Final answer
    x = 3,043.14

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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.