Home / 3,756.60-5,638.30-2,003.09

Finding the Fourth Proportional to 3,756.60, 5,638.30 and 2,003.09

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Solution

The fourth proportional to 3,756.60, 5,638.30 and 2,003.09 is: 3,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.60 : 5,638.30 = 2,003.09 : x
  2. Step 2: Convert to fraction form
    3,756.60/5,638.30 = 2,003.09/x
  3. Step 3: Cross multiply
    3,756.60x = 5,638.30 × 2,003.09
  4. Step 4: Simplify right side
    3,756.60x = 11,294,022.35
  5. Step 5: Solve for x
    x = 11,294,022.35/3,756.60
  6. Step 6: Final answer
    x = 3,006.45

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1.5x scale

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.