Home / 2,195.10-3,291.84-1,865.94

Finding the Fourth Proportional to 2,195.10, 3,291.84 and 1,865.94

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Solution

The fourth proportional to 2,195.10, 3,291.84 and 1,865.94 is: 2,798.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.10 : 3,291.84 = 1,865.94 : x
  2. Step 2: Convert to fraction form
    2,195.10/3,291.84 = 1,865.94/x
  3. Step 3: Cross multiply
    2,195.10x = 3,291.84 × 1,865.94
  4. Step 4: Simplify right side
    2,195.10x = 6,142,363.59
  5. Step 5: Solve for x
    x = 6,142,363.59/2,195.10
  6. Step 6: Final answer
    x = 2,798.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.