Home / 3,693.44-5,541.60-1,640

Finding the Fourth Proportional to 3,693.44, 5,541.60 and 1,640

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Solution

The fourth proportional to 3,693.44, 5,541.60 and 1,640 is: 2,460.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.44 : 5,541.60 = 1,640 : x
  2. Step 2: Convert to fraction form
    3,693.44/5,541.60 = 1,640/x
  3. Step 3: Cross multiply
    3,693.44x = 5,541.60 × 1,640
  4. Step 4: Simplify right side
    3,693.44x = 9,088,224
  5. Step 5: Solve for x
    x = 9,088,224/3,693.44
  6. Step 6: Final answer
    x = 2,460.64

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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.