Home / 3,930.62-5,894.40-1,590.02

Finding the Fourth Proportional to 3,930.62, 5,894.40 and 1,590.02

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Solution

The fourth proportional to 3,930.62, 5,894.40 and 1,590.02 is: 2,384.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.62 : 5,894.40 = 1,590.02 : x
  2. Step 2: Convert to fraction form
    3,930.62/5,894.40 = 1,590.02/x
  3. Step 3: Cross multiply
    3,930.62x = 5,894.40 × 1,590.02
  4. Step 4: Simplify right side
    3,930.62x = 9,372,212.48
  5. Step 5: Solve for x
    x = 9,372,212.48/3,930.62
  6. Step 6: Final answer
    x = 2,384.41

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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.