Home / 2,216.51-3,040.45-2,170.38

Finding the Fourth Proportional to 2,216.51, 3,040.45 and 2,170.38

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Solution

The fourth proportional to 2,216.51, 3,040.45 and 2,170.38 is: 2,977.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.51 : 3,040.45 = 2,170.38 : x
  2. Step 2: Convert to fraction form
    2,216.51/3,040.45 = 2,170.38/x
  3. Step 3: Cross multiply
    2,216.51x = 3,040.45 × 2,170.38
  4. Step 4: Simplify right side
    2,216.51x = 6,598,932.95
  5. Step 5: Solve for x
    x = 6,598,932.95/2,216.51
  6. Step 6: Final answer
    x = 2,977.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.