Home / 2,072.49-3,108.75-976.29

Finding the Fourth Proportional to 2,072.49, 3,108.75 and 976.29

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Solution

The fourth proportional to 2,072.49, 3,108.75 and 976.29 is: 1,464.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.49 : 3,108.75 = 976.29 : x
  2. Step 2: Convert to fraction form
    2,072.49/3,108.75 = 976.29/x
  3. Step 3: Cross multiply
    2,072.49x = 3,108.75 × 976.29
  4. Step 4: Simplify right side
    2,072.49x = 3,035,041.54
  5. Step 5: Solve for x
    x = 3,035,041.54/2,072.49
  6. Step 6: Final answer
    x = 1,464.44

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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.