Home / 2,469.60-3,704.76-2,031.30

Finding the Fourth Proportional to 2,469.60, 3,704.76 and 2,031.30

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Solution

The fourth proportional to 2,469.60, 3,704.76 and 2,031.30 is: 3,047.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,469.60 : 3,704.76 = 2,031.30 : x
  2. Step 2: Convert to fraction form
    2,469.60/3,704.76 = 2,031.30/x
  3. Step 3: Cross multiply
    2,469.60x = 3,704.76 × 2,031.30
  4. Step 4: Simplify right side
    2,469.60x = 7,525,478.99
  5. Step 5: Solve for x
    x = 7,525,478.99/2,469.60
  6. Step 6: Final answer
    x = 3,047.25

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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.