Home / 2,389.49-3,577.75-1,232.81

Finding the Fourth Proportional to 2,389.49, 3,577.75 and 1,232.81

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Solution

The fourth proportional to 2,389.49, 3,577.75 and 1,232.81 is: 1,845.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.49 : 3,577.75 = 1,232.81 : x
  2. Step 2: Convert to fraction form
    2,389.49/3,577.75 = 1,232.81/x
  3. Step 3: Cross multiply
    2,389.49x = 3,577.75 × 1,232.81
  4. Step 4: Simplify right side
    2,389.49x = 4,410,685.98
  5. Step 5: Solve for x
    x = 4,410,685.98/2,389.49
  6. Step 6: Final answer
    x = 1,845.87

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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.