Home / 3,345.65-5,021.56-1,703.38

Finding the Fourth Proportional to 3,345.65, 5,021.56 and 1,703.38

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Solution

The fourth proportional to 3,345.65, 5,021.56 and 1,703.38 is: 2,556.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.65 : 5,021.56 = 1,703.38 : x
  2. Step 2: Convert to fraction form
    3,345.65/5,021.56 = 1,703.38/x
  3. Step 3: Cross multiply
    3,345.65x = 5,021.56 × 1,703.38
  4. Step 4: Simplify right side
    3,345.65x = 8,553,624.87
  5. Step 5: Solve for x
    x = 8,553,624.87/3,345.65
  6. Step 6: Final answer
    x = 2,556.64

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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.