Home / 3,577.19-5,356.64-2,117.39

Finding the Fourth Proportional to 3,577.19, 5,356.64 and 2,117.39

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Solution

The fourth proportional to 3,577.19, 5,356.64 and 2,117.39 is: 3,170.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.19 : 5,356.64 = 2,117.39 : x
  2. Step 2: Convert to fraction form
    3,577.19/5,356.64 = 2,117.39/x
  3. Step 3: Cross multiply
    3,577.19x = 5,356.64 × 2,117.39
  4. Step 4: Simplify right side
    3,577.19x = 11,342,058.60
  5. Step 5: Solve for x
    x = 11,342,058.60/3,577.19
  6. Step 6: Final answer
    x = 3,170.67

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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.