Home / 2,762.20-4,139.70-2,452.60

Finding the Fourth Proportional to 2,762.20, 4,139.70 and 2,452.60

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Solution

The fourth proportional to 2,762.20, 4,139.70 and 2,452.60 is: 3,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.20 : 4,139.70 = 2,452.60 : x
  2. Step 2: Convert to fraction form
    2,762.20/4,139.70 = 2,452.60/x
  3. Step 3: Cross multiply
    2,762.20x = 4,139.70 × 2,452.60
  4. Step 4: Simplify right side
    2,762.20x = 10,153,028.22
  5. Step 5: Solve for x
    x = 10,153,028.22/2,762.20
  6. Step 6: Final answer
    x = 3,675.70

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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.