Home / 3,316.39-4,975.89-1,368.13

Finding the Fourth Proportional to 3,316.39, 4,975.89 and 1,368.13

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Solution

The fourth proportional to 3,316.39, 4,975.89 and 1,368.13 is: 2,052.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.39 : 4,975.89 = 1,368.13 : x
  2. Step 2: Convert to fraction form
    3,316.39/4,975.89 = 1,368.13/x
  3. Step 3: Cross multiply
    3,316.39x = 4,975.89 × 1,368.13
  4. Step 4: Simplify right side
    3,316.39x = 6,807,664.39
  5. Step 5: Solve for x
    x = 6,807,664.39/3,316.39
  6. Step 6: Final answer
    x = 2,052.73

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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.