Home / 3,660.53-5,486.85-1,581.51

Finding the Fourth Proportional to 3,660.53, 5,486.85 and 1,581.51

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Solution

The fourth proportional to 3,660.53, 5,486.85 and 1,581.51 is: 2,370.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.53 : 5,486.85 = 1,581.51 : x
  2. Step 2: Convert to fraction form
    3,660.53/5,486.85 = 1,581.51/x
  3. Step 3: Cross multiply
    3,660.53x = 5,486.85 × 1,581.51
  4. Step 4: Simplify right side
    3,660.53x = 8,677,528.72
  5. Step 5: Solve for x
    x = 8,677,528.72/3,660.53
  6. Step 6: Final answer
    x = 2,370.57

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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.