Home / 1,478.49-2,039.41-1,163.26

Finding the Fourth Proportional to 1,478.49, 2,039.41 and 1,163.26

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Solution

The fourth proportional to 1,478.49, 2,039.41 and 1,163.26 is: 1,604.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478.49 : 2,039.41 = 1,163.26 : x
  2. Step 2: Convert to fraction form
    1,478.49/2,039.41 = 1,163.26/x
  3. Step 3: Cross multiply
    1,478.49x = 2,039.41 × 1,163.26
  4. Step 4: Simplify right side
    1,478.49x = 2,372,364.08
  5. Step 5: Solve for x
    x = 2,372,364.08/1,478.49
  6. Step 6: Final answer
    x = 1,604.59

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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.