Home / 2,898.10-4,340.05-2,617.30

Finding the Fourth Proportional to 2,898.10, 4,340.05 and 2,617.30

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Solution

The fourth proportional to 2,898.10, 4,340.05 and 2,617.30 is: 3,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.10 : 4,340.05 = 2,617.30 : x
  2. Step 2: Convert to fraction form
    2,898.10/4,340.05 = 2,617.30/x
  3. Step 3: Cross multiply
    2,898.10x = 4,340.05 × 2,617.30
  4. Step 4: Simplify right side
    2,898.10x = 11,359,212.87
  5. Step 5: Solve for x
    x = 11,359,212.87/2,898.10
  6. Step 6: Final answer
    x = 3,919.54

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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.