Home / 3,081.02-4,621.47-2,100.14

Finding the Fourth Proportional to 3,081.02, 4,621.47 and 2,100.14

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Solution

The fourth proportional to 3,081.02, 4,621.47 and 2,100.14 is: 3,150.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.02 : 4,621.47 = 2,100.14 : x
  2. Step 2: Convert to fraction form
    3,081.02/4,621.47 = 2,100.14/x
  3. Step 3: Cross multiply
    3,081.02x = 4,621.47 × 2,100.14
  4. Step 4: Simplify right side
    3,081.02x = 9,705,734.01
  5. Step 5: Solve for x
    x = 9,705,734.01/3,081.02
  6. Step 6: Final answer
    x = 3,150.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.