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Finding the Fourth Proportional to 3,316.94, 4,975.35 and 2,800.26

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Solution

The fourth proportional to 3,316.94, 4,975.35 and 2,800.26 is: 4,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.94 : 4,975.35 = 2,800.26 : x
  2. Step 2: Convert to fraction form
    3,316.94/4,975.35 = 2,800.26/x
  3. Step 3: Cross multiply
    3,316.94x = 4,975.35 × 2,800.26
  4. Step 4: Simplify right side
    3,316.94x = 13,932,273.59
  5. Step 5: Solve for x
    x = 13,932,273.59/3,316.94
  6. Step 6: Final answer
    x = 4,200.34

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1.5x scale

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.