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Finding the Fourth Proportional to 2,076, 3,114 and 844.08

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Solution

The fourth proportional to 2,076, 3,114 and 844.08 is: 1,266.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076 : 3,114 = 844.08 : x
  2. Step 2: Convert to fraction form
    2,076/3,114 = 844.08/x
  3. Step 3: Cross multiply
    2,076x = 3,114 × 844.08
  4. Step 4: Simplify right side
    2,076x = 2,628,465.12
  5. Step 5: Solve for x
    x = 2,628,465.12/2,076
  6. Step 6: Final answer
    x = 1,266.12

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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.