Home / 3,841.74-5,762.60-1,209.48

Finding the Fourth Proportional to 3,841.74, 5,762.60 and 1,209.48

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Solution

The fourth proportional to 3,841.74, 5,762.60 and 1,209.48 is: 1,814.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.74 : 5,762.60 = 1,209.48 : x
  2. Step 2: Convert to fraction form
    3,841.74/5,762.60 = 1,209.48/x
  3. Step 3: Cross multiply
    3,841.74x = 5,762.60 × 1,209.48
  4. Step 4: Simplify right side
    3,841.74x = 6,969,749.45
  5. Step 5: Solve for x
    x = 6,969,749.45/3,841.74
  6. Step 6: Final answer
    x = 1,814.22

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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.