Home / 3,287.07-4,911.33-3,172.23

Finding the Fourth Proportional to 3,287.07, 4,911.33 and 3,172.23

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Solution

The fourth proportional to 3,287.07, 4,911.33 and 3,172.23 is: 4,739.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.07 : 4,911.33 = 3,172.23 : x
  2. Step 2: Convert to fraction form
    3,287.07/4,911.33 = 3,172.23/x
  3. Step 3: Cross multiply
    3,287.07x = 4,911.33 × 3,172.23
  4. Step 4: Simplify right side
    3,287.07x = 15,579,868.37
  5. Step 5: Solve for x
    x = 15,579,868.37/3,287.07
  6. Step 6: Final answer
    x = 4,739.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.