Home / 2,148.74-2,965.32-1,204.49

Finding the Fourth Proportional to 2,148.74, 2,965.32 and 1,204.49

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Solution

The fourth proportional to 2,148.74, 2,965.32 and 1,204.49 is: 1,662.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.74 : 2,965.32 = 1,204.49 : x
  2. Step 2: Convert to fraction form
    2,148.74/2,965.32 = 1,204.49/x
  3. Step 3: Cross multiply
    2,148.74x = 2,965.32 × 1,204.49
  4. Step 4: Simplify right side
    2,148.74x = 3,571,705.70
  5. Step 5: Solve for x
    x = 3,571,705.70/2,148.74
  6. Step 6: Final answer
    x = 1,662.23

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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.