Home / 3,923.44-5,883.72-1,325.76

Finding the Fourth Proportional to 3,923.44, 5,883.72 and 1,325.76

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Solution

The fourth proportional to 3,923.44, 5,883.72 and 1,325.76 is: 1,988.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.44 : 5,883.72 = 1,325.76 : x
  2. Step 2: Convert to fraction form
    3,923.44/5,883.72 = 1,325.76/x
  3. Step 3: Cross multiply
    3,923.44x = 5,883.72 × 1,325.76
  4. Step 4: Simplify right side
    3,923.44x = 7,800,400.63
  5. Step 5: Solve for x
    x = 7,800,400.63/3,923.44
  6. Step 6: Final answer
    x = 1,988.15

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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.