Home / 3,693.42-5,541.03-1,228.23

Finding the Fourth Proportional to 3,693.42, 5,541.03 and 1,228.23

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Solution

The fourth proportional to 3,693.42, 5,541.03 and 1,228.23 is: 1,842.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.42 : 5,541.03 = 1,228.23 : x
  2. Step 2: Convert to fraction form
    3,693.42/5,541.03 = 1,228.23/x
  3. Step 3: Cross multiply
    3,693.42x = 5,541.03 × 1,228.23
  4. Step 4: Simplify right side
    3,693.42x = 6,805,659.28
  5. Step 5: Solve for x
    x = 6,805,659.28/3,693.42
  6. Step 6: Final answer
    x = 1,842.64

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Double scale
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1.5x scale

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.