Home / 3,154.23-4,731.75-1,206.18

Finding the Fourth Proportional to 3,154.23, 4,731.75 and 1,206.18

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Solution

The fourth proportional to 3,154.23, 4,731.75 and 1,206.18 is: 1,809.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.23 : 4,731.75 = 1,206.18 : x
  2. Step 2: Convert to fraction form
    3,154.23/4,731.75 = 1,206.18/x
  3. Step 3: Cross multiply
    3,154.23x = 4,731.75 × 1,206.18
  4. Step 4: Simplify right side
    3,154.23x = 5,707,342.22
  5. Step 5: Solve for x
    x = 5,707,342.22/3,154.23
  6. Step 6: Final answer
    x = 1,809.42

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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.