Home / 2,338.89-3,226.80-1,394.70

Finding the Fourth Proportional to 2,338.89, 3,226.80 and 1,394.70

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Solution

The fourth proportional to 2,338.89, 3,226.80 and 1,394.70 is: 1,924.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338.89 : 3,226.80 = 1,394.70 : x
  2. Step 2: Convert to fraction form
    2,338.89/3,226.80 = 1,394.70/x
  3. Step 3: Cross multiply
    2,338.89x = 3,226.80 × 1,394.70
  4. Step 4: Simplify right side
    2,338.89x = 4,500,417.96
  5. Step 5: Solve for x
    x = 4,500,417.96/2,338.89
  6. Step 6: Final answer
    x = 1,924.17

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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.