Home / 3,197.45-4,412.79-1,871.07

Finding the Fourth Proportional to 3,197.45, 4,412.79 and 1,871.07

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Solution

The fourth proportional to 3,197.45, 4,412.79 and 1,871.07 is: 2,582.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.45 : 4,412.79 = 1,871.07 : x
  2. Step 2: Convert to fraction form
    3,197.45/4,412.79 = 1,871.07/x
  3. Step 3: Cross multiply
    3,197.45x = 4,412.79 × 1,871.07
  4. Step 4: Simplify right side
    3,197.45x = 8,256,638.99
  5. Step 5: Solve for x
    x = 8,256,638.99/3,197.45
  6. Step 6: Final answer
    x = 2,582.26

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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.