Home / 2,558.20-3,834.90-2,002.60

Finding the Fourth Proportional to 2,558.20, 3,834.90 and 2,002.60

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Solution

The fourth proportional to 2,558.20, 3,834.90 and 2,002.60 is: 3,002.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.20 : 3,834.90 = 2,002.60 : x
  2. Step 2: Convert to fraction form
    2,558.20/3,834.90 = 2,002.60/x
  3. Step 3: Cross multiply
    2,558.20x = 3,834.90 × 2,002.60
  4. Step 4: Simplify right side
    2,558.20x = 7,679,770.74
  5. Step 5: Solve for x
    x = 7,679,770.74/2,558.20
  6. Step 6: Final answer
    x = 3,002.02

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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.