Home / 3,645.64-5,466.36-1,792.72

Finding the Fourth Proportional to 3,645.64, 5,466.36 and 1,792.72

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Solution

The fourth proportional to 3,645.64, 5,466.36 and 1,792.72 is: 2,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.64 : 5,466.36 = 1,792.72 : x
  2. Step 2: Convert to fraction form
    3,645.64/5,466.36 = 1,792.72/x
  3. Step 3: Cross multiply
    3,645.64x = 5,466.36 × 1,792.72
  4. Step 4: Simplify right side
    3,645.64x = 9,799,652.90
  5. Step 5: Solve for x
    x = 9,799,652.90/3,645.64
  6. Step 6: Final answer
    x = 2,688.05

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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.