Home / 2,984.54-4,118.67-1,640.26

Finding the Fourth Proportional to 2,984.54, 4,118.67 and 1,640.26

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Solution

The fourth proportional to 2,984.54, 4,118.67 and 1,640.26 is: 2,263.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.54 : 4,118.67 = 1,640.26 : x
  2. Step 2: Convert to fraction form
    2,984.54/4,118.67 = 1,640.26/x
  3. Step 3: Cross multiply
    2,984.54x = 4,118.67 × 1,640.26
  4. Step 4: Simplify right side
    2,984.54x = 6,755,679.36
  5. Step 5: Solve for x
    x = 6,755,679.36/2,984.54
  6. Step 6: Final answer
    x = 2,263.56

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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.