Home / 3,744.84-5,619.29-1,555.07

Finding the Fourth Proportional to 3,744.84, 5,619.29 and 1,555.07

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Solution

The fourth proportional to 3,744.84, 5,619.29 and 1,555.07 is: 2,333.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.84 : 5,619.29 = 1,555.07 : x
  2. Step 2: Convert to fraction form
    3,744.84/5,619.29 = 1,555.07/x
  3. Step 3: Cross multiply
    3,744.84x = 5,619.29 × 1,555.07
  4. Step 4: Simplify right side
    3,744.84x = 8,738,389.30
  5. Step 5: Solve for x
    x = 8,738,389.30/3,744.84
  6. Step 6: Final answer
    x = 2,333.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.