Home / 1,343.60-2,004.88-1,168.64

Finding the Fourth Proportional to 1,343.60, 2,004.88 and 1,168.64

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Solution

The fourth proportional to 1,343.60, 2,004.88 and 1,168.64 is: 1,743.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343.60 : 2,004.88 = 1,168.64 : x
  2. Step 2: Convert to fraction form
    1,343.60/2,004.88 = 1,168.64/x
  3. Step 3: Cross multiply
    1,343.60x = 2,004.88 × 1,168.64
  4. Step 4: Simplify right side
    1,343.60x = 2,342,982.96
  5. Step 5: Solve for x
    x = 2,342,982.96/1,343.60
  6. Step 6: Final answer
    x = 1,743.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.