Home / 2,795.31-3,856.01-1,615.95

Finding the Fourth Proportional to 2,795.31, 3,856.01 and 1,615.95

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Solution

The fourth proportional to 2,795.31, 3,856.01 and 1,615.95 is: 2,229.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.31 : 3,856.01 = 1,615.95 : x
  2. Step 2: Convert to fraction form
    2,795.31/3,856.01 = 1,615.95/x
  3. Step 3: Cross multiply
    2,795.31x = 3,856.01 × 1,615.95
  4. Step 4: Simplify right side
    2,795.31x = 6,231,111.28
  5. Step 5: Solve for x
    x = 6,231,111.28/2,795.31
  6. Step 6: Final answer
    x = 2,229.13

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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.