Home / 3,645.47-5,029.48-2,051.79

Finding the Fourth Proportional to 3,645.47, 5,029.48 and 2,051.79

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Solution

The fourth proportional to 3,645.47, 5,029.48 and 2,051.79 is: 2,830.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.47 : 5,029.48 = 2,051.79 : x
  2. Step 2: Convert to fraction form
    3,645.47/5,029.48 = 2,051.79/x
  3. Step 3: Cross multiply
    3,645.47x = 5,029.48 × 2,051.79
  4. Step 4: Simplify right side
    3,645.47x = 10,319,441.90
  5. Step 5: Solve for x
    x = 10,319,441.90/3,645.47
  6. Step 6: Final answer
    x = 2,830.76

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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.