Home / 3,318.01-4,975.21-1,648.47

Finding the Fourth Proportional to 3,318.01, 4,975.21 and 1,648.47

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Solution

The fourth proportional to 3,318.01, 4,975.21 and 1,648.47 is: 2,471.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.01 : 4,975.21 = 1,648.47 : x
  2. Step 2: Convert to fraction form
    3,318.01/4,975.21 = 1,648.47/x
  3. Step 3: Cross multiply
    3,318.01x = 4,975.21 × 1,648.47
  4. Step 4: Simplify right side
    3,318.01x = 8,201,486.52
  5. Step 5: Solve for x
    x = 8,201,486.52/3,318.01
  6. Step 6: Final answer
    x = 2,471.81

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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.