Home / 3,021.02-4,162.62-2,813.24

Finding the Fourth Proportional to 3,021.02, 4,162.62 and 2,813.24

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Solution

The fourth proportional to 3,021.02, 4,162.62 and 2,813.24 is: 3,876.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.02 : 4,162.62 = 2,813.24 : x
  2. Step 2: Convert to fraction form
    3,021.02/4,162.62 = 2,813.24/x
  3. Step 3: Cross multiply
    3,021.02x = 4,162.62 × 2,813.24
  4. Step 4: Simplify right side
    3,021.02x = 11,710,449.09
  5. Step 5: Solve for x
    x = 11,710,449.09/3,021.02
  6. Step 6: Final answer
    x = 3,876.32

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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.