Home / 3,555.36-5,325.99-2,771.58

Finding the Fourth Proportional to 3,555.36, 5,325.99 and 2,771.58

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Solution

The fourth proportional to 3,555.36, 5,325.99 and 2,771.58 is: 4,151.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.36 : 5,325.99 = 2,771.58 : x
  2. Step 2: Convert to fraction form
    3,555.36/5,325.99 = 2,771.58/x
  3. Step 3: Cross multiply
    3,555.36x = 5,325.99 × 2,771.58
  4. Step 4: Simplify right side
    3,555.36x = 14,761,407.36
  5. Step 5: Solve for x
    x = 14,761,407.36/3,555.36
  6. Step 6: Final answer
    x = 4,151.87

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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.