Home / 3,080.12-4,621.71-1,232.56

Finding the Fourth Proportional to 3,080.12, 4,621.71 and 1,232.56

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Solution

The fourth proportional to 3,080.12, 4,621.71 and 1,232.56 is: 1,849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.12 : 4,621.71 = 1,232.56 : x
  2. Step 2: Convert to fraction form
    3,080.12/4,621.71 = 1,232.56/x
  3. Step 3: Cross multiply
    3,080.12x = 4,621.71 × 1,232.56
  4. Step 4: Simplify right side
    3,080.12x = 5,696,511.77
  5. Step 5: Solve for x
    x = 5,696,511.77/3,080.12
  6. Step 6: Final answer
    x = 1,849.45

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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.