Home / 3,925.86-5,889.70-1,152.42

Finding the Fourth Proportional to 3,925.86, 5,889.70 and 1,152.42

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Solution

The fourth proportional to 3,925.86, 5,889.70 and 1,152.42 is: 1,728.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.86 : 5,889.70 = 1,152.42 : x
  2. Step 2: Convert to fraction form
    3,925.86/5,889.70 = 1,152.42/x
  3. Step 3: Cross multiply
    3,925.86x = 5,889.70 × 1,152.42
  4. Step 4: Simplify right side
    3,925.86x = 6,787,372.86
  5. Step 5: Solve for x
    x = 6,787,372.86/3,925.86
  6. Step 6: Final answer
    x = 1,728.89

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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.