Home / 2,599.40-3,898.46-1,211.42

Finding the Fourth Proportional to 2,599.40, 3,898.46 and 1,211.42

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Solution

The fourth proportional to 2,599.40, 3,898.46 and 1,211.42 is: 1,816.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.40 : 3,898.46 = 1,211.42 : x
  2. Step 2: Convert to fraction form
    2,599.40/3,898.46 = 1,211.42/x
  3. Step 3: Cross multiply
    2,599.40x = 3,898.46 × 1,211.42
  4. Step 4: Simplify right side
    2,599.40x = 4,722,685.19
  5. Step 5: Solve for x
    x = 4,722,685.19/2,599.40
  6. Step 6: Final answer
    x = 1,816.83

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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.