Home / 3,491.56-4,820-2,216.08

Finding the Fourth Proportional to 3,491.56, 4,820 and 2,216.08

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Solution

The fourth proportional to 3,491.56, 4,820 and 2,216.08 is: 3,059.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.56 : 4,820 = 2,216.08 : x
  2. Step 2: Convert to fraction form
    3,491.56/4,820 = 2,216.08/x
  3. Step 3: Cross multiply
    3,491.56x = 4,820 × 2,216.08
  4. Step 4: Simplify right side
    3,491.56x = 10,681,505.60
  5. Step 5: Solve for x
    x = 10,681,505.60/3,491.56
  6. Step 6: Final answer
    x = 3,059.24

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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.