Home / 3,693.51-5,097.83-2,122.47

Finding the Fourth Proportional to 3,693.51, 5,097.83 and 2,122.47

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Solution

The fourth proportional to 3,693.51, 5,097.83 and 2,122.47 is: 2,929.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.51 : 5,097.83 = 2,122.47 : x
  2. Step 2: Convert to fraction form
    3,693.51/5,097.83 = 2,122.47/x
  3. Step 3: Cross multiply
    3,693.51x = 5,097.83 × 2,122.47
  4. Step 4: Simplify right side
    3,693.51x = 10,819,991.24
  5. Step 5: Solve for x
    x = 10,819,991.24/3,693.51
  6. Step 6: Final answer
    x = 2,929.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.