Home / 3,345.11-5,015.62-1,590.65

Finding the Fourth Proportional to 3,345.11, 5,015.62 and 1,590.65

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Solution

The fourth proportional to 3,345.11, 5,015.62 and 1,590.65 is: 2,385.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.11 : 5,015.62 = 1,590.65 : x
  2. Step 2: Convert to fraction form
    3,345.11/5,015.62 = 1,590.65/x
  3. Step 3: Cross multiply
    3,345.11x = 5,015.62 × 1,590.65
  4. Step 4: Simplify right side
    3,345.11x = 7,978,119.88
  5. Step 5: Solve for x
    x = 7,978,119.88/3,345.11
  6. Step 6: Final answer
    x = 2,385.01

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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.