Home / 3,491.27-4,816.75-2,164.49

Finding the Fourth Proportional to 3,491.27, 4,816.75 and 2,164.49

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Solution

The fourth proportional to 3,491.27, 4,816.75 and 2,164.49 is: 2,986.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.27 : 4,816.75 = 2,164.49 : x
  2. Step 2: Convert to fraction form
    3,491.27/4,816.75 = 2,164.49/x
  3. Step 3: Cross multiply
    3,491.27x = 4,816.75 × 2,164.49
  4. Step 4: Simplify right side
    3,491.27x = 10,425,807.21
  5. Step 5: Solve for x
    x = 10,425,807.21/3,491.27
  6. Step 6: Final answer
    x = 2,986.25

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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.