Home / 2,174.42-3,260.39-1,914.95

Finding the Fourth Proportional to 2,174.42, 3,260.39 and 1,914.95

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Solution

The fourth proportional to 2,174.42, 3,260.39 and 1,914.95 is: 2,871.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.42 : 3,260.39 = 1,914.95 : x
  2. Step 2: Convert to fraction form
    2,174.42/3,260.39 = 1,914.95/x
  3. Step 3: Cross multiply
    2,174.42x = 3,260.39 × 1,914.95
  4. Step 4: Simplify right side
    2,174.42x = 6,243,482.41
  5. Step 5: Solve for x
    x = 6,243,482.41/2,174.42
  6. Step 6: Final answer
    x = 2,871.33

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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.