Home / 2,795.18-3,856.61-1,801.91

Finding the Fourth Proportional to 2,795.18, 3,856.61 and 1,801.91

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Solution

The fourth proportional to 2,795.18, 3,856.61 and 1,801.91 is: 2,486.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.18 : 3,856.61 = 1,801.91 : x
  2. Step 2: Convert to fraction form
    2,795.18/3,856.61 = 1,801.91/x
  3. Step 3: Cross multiply
    2,795.18x = 3,856.61 × 1,801.91
  4. Step 4: Simplify right side
    2,795.18x = 6,949,278.27
  5. Step 5: Solve for x
    x = 6,949,278.27/2,795.18
  6. Step 6: Final answer
    x = 2,486.17

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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.