Home / 3,540.84-5,315.36-1,900.59

Finding the Fourth Proportional to 3,540.84, 5,315.36 and 1,900.59

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Solution

The fourth proportional to 3,540.84, 5,315.36 and 1,900.59 is: 2,853.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.84 : 5,315.36 = 1,900.59 : x
  2. Step 2: Convert to fraction form
    3,540.84/5,315.36 = 1,900.59/x
  3. Step 3: Cross multiply
    3,540.84x = 5,315.36 × 1,900.59
  4. Step 4: Simplify right side
    3,540.84x = 10,102,320.06
  5. Step 5: Solve for x
    x = 10,102,320.06/3,540.84
  6. Step 6: Final answer
    x = 2,853.09

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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.