Home / 2,412.99-3,621.81-1,591.83

Finding the Fourth Proportional to 2,412.99, 3,621.81 and 1,591.83

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Solution

The fourth proportional to 2,412.99, 3,621.81 and 1,591.83 is: 2,389.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.99 : 3,621.81 = 1,591.83 : x
  2. Step 2: Convert to fraction form
    2,412.99/3,621.81 = 1,591.83/x
  3. Step 3: Cross multiply
    2,412.99x = 3,621.81 × 1,591.83
  4. Step 4: Simplify right side
    2,412.99x = 5,765,305.81
  5. Step 5: Solve for x
    x = 5,765,305.81/2,412.99
  6. Step 6: Final answer
    x = 2,389.28

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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.