Home / 3,606.75-5,410.53-1,660.32

Finding the Fourth Proportional to 3,606.75, 5,410.53 and 1,660.32

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Solution

The fourth proportional to 3,606.75, 5,410.53 and 1,660.32 is: 2,490.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.75 : 5,410.53 = 1,660.32 : x
  2. Step 2: Convert to fraction form
    3,606.75/5,410.53 = 1,660.32/x
  3. Step 3: Cross multiply
    3,606.75x = 5,410.53 × 1,660.32
  4. Step 4: Simplify right side
    3,606.75x = 8,983,211.17
  5. Step 5: Solve for x
    x = 8,983,211.17/3,606.75
  6. Step 6: Final answer
    x = 2,490.67

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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.