Home / 2,150.79-3,226.21-2,045.87

Finding the Fourth Proportional to 2,150.79, 3,226.21 and 2,045.87

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Solution

The fourth proportional to 2,150.79, 3,226.21 and 2,045.87 is: 3,068.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150.79 : 3,226.21 = 2,045.87 : x
  2. Step 2: Convert to fraction form
    2,150.79/3,226.21 = 2,045.87/x
  3. Step 3: Cross multiply
    2,150.79x = 3,226.21 × 2,045.87
  4. Step 4: Simplify right side
    2,150.79x = 6,600,406.25
  5. Step 5: Solve for x
    x = 6,600,406.25/2,150.79
  6. Step 6: Final answer
    x = 3,068.83

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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.