Home / 3,476.16-5,211.27-1,720.35

Finding the Fourth Proportional to 3,476.16, 5,211.27 and 1,720.35

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Solution

The fourth proportional to 3,476.16, 5,211.27 and 1,720.35 is: 2,579.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.16 : 5,211.27 = 1,720.35 : x
  2. Step 2: Convert to fraction form
    3,476.16/5,211.27 = 1,720.35/x
  3. Step 3: Cross multiply
    3,476.16x = 5,211.27 × 1,720.35
  4. Step 4: Simplify right side
    3,476.16x = 8,965,208.34
  5. Step 5: Solve for x
    x = 8,965,208.34/3,476.16
  6. Step 6: Final answer
    x = 2,579.06

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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.