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Finding the Fourth Proportional to 3,975.54, 5,964.65 and 1,897.08

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Solution

The fourth proportional to 3,975.54, 5,964.65 and 1,897.08 is: 2,846.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.54 : 5,964.65 = 1,897.08 : x
  2. Step 2: Convert to fraction form
    3,975.54/5,964.65 = 1,897.08/x
  3. Step 3: Cross multiply
    3,975.54x = 5,964.65 × 1,897.08
  4. Step 4: Simplify right side
    3,975.54x = 11,315,418.22
  5. Step 5: Solve for x
    x = 11,315,418.22/3,975.54
  6. Step 6: Final answer
    x = 2,846.26

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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.