Home / 2,916-4,024.08-2,170.60

Finding the Fourth Proportional to 2,916, 4,024.08 and 2,170.60

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Solution

The fourth proportional to 2,916, 4,024.08 and 2,170.60 is: 2,995.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916 : 4,024.08 = 2,170.60 : x
  2. Step 2: Convert to fraction form
    2,916/4,024.08 = 2,170.60/x
  3. Step 3: Cross multiply
    2,916x = 4,024.08 × 2,170.60
  4. Step 4: Simplify right side
    2,916x = 8,734,657.99
  5. Step 5: Solve for x
    x = 8,734,657.99/2,916
  6. Step 6: Final answer
    x = 2,995.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.