Home / 3,923.45-5,885.20-1,458.26

Finding the Fourth Proportional to 3,923.45, 5,885.20 and 1,458.26

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Solution

The fourth proportional to 3,923.45, 5,885.20 and 1,458.26 is: 2,187.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.45 : 5,885.20 = 1,458.26 : x
  2. Step 2: Convert to fraction form
    3,923.45/5,885.20 = 1,458.26/x
  3. Step 3: Cross multiply
    3,923.45x = 5,885.20 × 1,458.26
  4. Step 4: Simplify right side
    3,923.45x = 8,582,166.47
  5. Step 5: Solve for x
    x = 8,582,166.47/3,923.45
  6. Step 6: Final answer
    x = 2,187.41

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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.