Home / 3,555.54-5,328.68-1,910.16

Finding the Fourth Proportional to 3,555.54, 5,328.68 and 1,910.16

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Solution

The fourth proportional to 3,555.54, 5,328.68 and 1,910.16 is: 2,862.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.54 : 5,328.68 = 1,910.16 : x
  2. Step 2: Convert to fraction form
    3,555.54/5,328.68 = 1,910.16/x
  3. Step 3: Cross multiply
    3,555.54x = 5,328.68 × 1,910.16
  4. Step 4: Simplify right side
    3,555.54x = 10,178,631.39
  5. Step 5: Solve for x
    x = 10,178,631.39/3,555.54
  6. Step 6: Final answer
    x = 2,862.75

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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.