Home / 3,631.63-5,011.56-2,119.48

Finding the Fourth Proportional to 3,631.63, 5,011.56 and 2,119.48

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Solution

The fourth proportional to 3,631.63, 5,011.56 and 2,119.48 is: 2,924.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.63 : 5,011.56 = 2,119.48 : x
  2. Step 2: Convert to fraction form
    3,631.63/5,011.56 = 2,119.48/x
  3. Step 3: Cross multiply
    3,631.63x = 5,011.56 × 2,119.48
  4. Step 4: Simplify right side
    3,631.63x = 10,621,901.19
  5. Step 5: Solve for x
    x = 10,621,901.19/3,631.63
  6. Step 6: Final answer
    x = 2,924.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.