Home / 2,829.73-3,905.24-1,570.78

Finding the Fourth Proportional to 2,829.73, 3,905.24 and 1,570.78

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Solution

The fourth proportional to 2,829.73, 3,905.24 and 1,570.78 is: 2,167.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.73 : 3,905.24 = 1,570.78 : x
  2. Step 2: Convert to fraction form
    2,829.73/3,905.24 = 1,570.78/x
  3. Step 3: Cross multiply
    2,829.73x = 3,905.24 × 1,570.78
  4. Step 4: Simplify right side
    2,829.73x = 6,134,272.89
  5. Step 5: Solve for x
    x = 6,134,272.89/2,829.73
  6. Step 6: Final answer
    x = 2,167.79

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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.