Home / 3,929.96-5,895.24-1,590.20

Finding the Fourth Proportional to 3,929.96, 5,895.24 and 1,590.20

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Solution

The fourth proportional to 3,929.96, 5,895.24 and 1,590.20 is: 2,385.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.96 : 5,895.24 = 1,590.20 : x
  2. Step 2: Convert to fraction form
    3,929.96/5,895.24 = 1,590.20/x
  3. Step 3: Cross multiply
    3,929.96x = 5,895.24 × 1,590.20
  4. Step 4: Simplify right side
    3,929.96x = 9,374,610.65
  5. Step 5: Solve for x
    x = 9,374,610.65/3,929.96
  6. Step 6: Final answer
    x = 2,385.42

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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.