Home / 3,316.30-4,975.76-1,368.05

Finding the Fourth Proportional to 3,316.30, 4,975.76 and 1,368.05

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Solution

The fourth proportional to 3,316.30, 4,975.76 and 1,368.05 is: 2,052.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.30 : 4,975.76 = 1,368.05 : x
  2. Step 2: Convert to fraction form
    3,316.30/4,975.76 = 1,368.05/x
  3. Step 3: Cross multiply
    3,316.30x = 4,975.76 × 1,368.05
  4. Step 4: Simplify right side
    3,316.30x = 6,807,056.75
  5. Step 5: Solve for x
    x = 6,807,056.75/3,316.30
  6. Step 6: Final answer
    x = 2,052.61

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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.