Home / 2,100.49-3,150.72-1,004.60

Finding the Fourth Proportional to 2,100.49, 3,150.72 and 1,004.60

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Solution

The fourth proportional to 2,100.49, 3,150.72 and 1,004.60 is: 1,506.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100.49 : 3,150.72 = 1,004.60 : x
  2. Step 2: Convert to fraction form
    2,100.49/3,150.72 = 1,004.60/x
  3. Step 3: Cross multiply
    2,100.49x = 3,150.72 × 1,004.60
  4. Step 4: Simplify right side
    2,100.49x = 3,165,197.56
  5. Step 5: Solve for x
    x = 3,165,197.56/2,100.49
  6. Step 6: Final answer
    x = 1,506.89

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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.