Home / 2,194.64-3,028.46-1,355.39

Finding the Fourth Proportional to 2,194.64, 3,028.46 and 1,355.39

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Solution

The fourth proportional to 2,194.64, 3,028.46 and 1,355.39 is: 1,870.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.64 : 3,028.46 = 1,355.39 : x
  2. Step 2: Convert to fraction form
    2,194.64/3,028.46 = 1,355.39/x
  3. Step 3: Cross multiply
    2,194.64x = 3,028.46 × 1,355.39
  4. Step 4: Simplify right side
    2,194.64x = 4,104,744.40
  5. Step 5: Solve for x
    x = 4,104,744.40/2,194.64
  6. Step 6: Final answer
    x = 1,870.35

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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.