Home / 3,551.54-5,328.29-3,164.21

Finding the Fourth Proportional to 3,551.54, 5,328.29 and 3,164.21

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Solution

The fourth proportional to 3,551.54, 5,328.29 and 3,164.21 is: 4,747.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.54 : 5,328.29 = 3,164.21 : x
  2. Step 2: Convert to fraction form
    3,551.54/5,328.29 = 3,164.21/x
  3. Step 3: Cross multiply
    3,551.54x = 5,328.29 × 3,164.21
  4. Step 4: Simplify right side
    3,551.54x = 16,859,826.00
  5. Step 5: Solve for x
    x = 16,859,826.00/3,551.54
  6. Step 6: Final answer
    x = 4,747.19

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1.5x scale

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.