Home / 3,640.72-5,460.66-1,043.92

Finding the Fourth Proportional to 3,640.72, 5,460.66 and 1,043.92

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Solution

The fourth proportional to 3,640.72, 5,460.66 and 1,043.92 is: 1,565.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.72 : 5,460.66 = 1,043.92 : x
  2. Step 2: Convert to fraction form
    3,640.72/5,460.66 = 1,043.92/x
  3. Step 3: Cross multiply
    3,640.72x = 5,460.66 × 1,043.92
  4. Step 4: Simplify right side
    3,640.72x = 5,700,492.19
  5. Step 5: Solve for x
    x = 5,700,492.19/3,640.72
  6. Step 6: Final answer
    x = 1,565.76

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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.