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Finding the Fourth Proportional to 3,968.32, 5,951.04 and 1,888.24

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Solution

The fourth proportional to 3,968.32, 5,951.04 and 1,888.24 is: 2,831.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.32 : 5,951.04 = 1,888.24 : x
  2. Step 2: Convert to fraction form
    3,968.32/5,951.04 = 1,888.24/x
  3. Step 3: Cross multiply
    3,968.32x = 5,951.04 × 1,888.24
  4. Step 4: Simplify right side
    3,968.32x = 11,236,991.77
  5. Step 5: Solve for x
    x = 11,236,991.77/3,968.32
  6. Step 6: Final answer
    x = 2,831.67

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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.