Home / 2,795.16-3,856.10-1,615.52

Finding the Fourth Proportional to 2,795.16, 3,856.10 and 1,615.52

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Solution

The fourth proportional to 2,795.16, 3,856.10 and 1,615.52 is: 2,228.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.16 : 3,856.10 = 1,615.52 : x
  2. Step 2: Convert to fraction form
    2,795.16/3,856.10 = 1,615.52/x
  3. Step 3: Cross multiply
    2,795.16x = 3,856.10 × 1,615.52
  4. Step 4: Simplify right side
    2,795.16x = 6,229,606.67
  5. Step 5: Solve for x
    x = 6,229,606.67/2,795.16
  6. Step 6: Final answer
    x = 2,228.71

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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.