Home / 3,631.70-5,012.02-2,215.26

Finding the Fourth Proportional to 3,631.70, 5,012.02 and 2,215.26

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Solution

The fourth proportional to 3,631.70, 5,012.02 and 2,215.26 is: 3,057.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.70 : 5,012.02 = 2,215.26 : x
  2. Step 2: Convert to fraction form
    3,631.70/5,012.02 = 2,215.26/x
  3. Step 3: Cross multiply
    3,631.70x = 5,012.02 × 2,215.26
  4. Step 4: Simplify right side
    3,631.70x = 11,102,927.43
  5. Step 5: Solve for x
    x = 11,102,927.43/3,631.70
  6. Step 6: Final answer
    x = 3,057.23

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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.