Home / 3,491.28-4,816.74-2,164.50

Finding the Fourth Proportional to 3,491.28, 4,816.74 and 2,164.50

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Solution

The fourth proportional to 3,491.28, 4,816.74 and 2,164.50 is: 2,986.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.28 : 4,816.74 = 2,164.50 : x
  2. Step 2: Convert to fraction form
    3,491.28/4,816.74 = 2,164.50/x
  3. Step 3: Cross multiply
    3,491.28x = 4,816.74 × 2,164.50
  4. Step 4: Simplify right side
    3,491.28x = 10,425,833.73
  5. Step 5: Solve for x
    x = 10,425,833.73/3,491.28
  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.