Home / 3,483.51-5,218.37-2,097.21

Finding the Fourth Proportional to 3,483.51, 5,218.37 and 2,097.21

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Solution

The fourth proportional to 3,483.51, 5,218.37 and 2,097.21 is: 3,141.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.51 : 5,218.37 = 2,097.21 : x
  2. Step 2: Convert to fraction form
    3,483.51/5,218.37 = 2,097.21/x
  3. Step 3: Cross multiply
    3,483.51x = 5,218.37 × 2,097.21
  4. Step 4: Simplify right side
    3,483.51x = 10,944,007.26
  5. Step 5: Solve for x
    x = 10,944,007.26/3,483.51
  6. Step 6: Final answer
    x = 3,141.66

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1.5x scale

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.