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Finding the Fourth Proportional to 2,693.18, 4,039.77 and 844.44

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Solution

The fourth proportional to 2,693.18, 4,039.77 and 844.44 is: 1,266.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.18 : 4,039.77 = 844.44 : x
  2. Step 2: Convert to fraction form
    2,693.18/4,039.77 = 844.44/x
  3. Step 3: Cross multiply
    2,693.18x = 4,039.77 × 844.44
  4. Step 4: Simplify right side
    2,693.18x = 3,411,334.41
  5. Step 5: Solve for x
    x = 3,411,334.41/2,693.18
  6. Step 6: Final answer
    x = 1,266.66

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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.