Home / 1,776.35-2,450.21-1,333.50

Finding the Fourth Proportional to 1,776.35, 2,450.21 and 1,333.50

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Solution

The fourth proportional to 1,776.35, 2,450.21 and 1,333.50 is: 1,839.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.35 : 2,450.21 = 1,333.50 : x
  2. Step 2: Convert to fraction form
    1,776.35/2,450.21 = 1,333.50/x
  3. Step 3: Cross multiply
    1,776.35x = 2,450.21 × 1,333.50
  4. Step 4: Simplify right side
    1,776.35x = 3,267,348.37
  5. Step 5: Solve for x
    x = 3,267,348.37/1,776.35
  6. Step 6: Final answer
    x = 1,839.37

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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.