Home / 2,936.67-4,054.50-2,149.35

Finding the Fourth Proportional to 2,936.67, 4,054.50 and 2,149.35

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Solution

The fourth proportional to 2,936.67, 4,054.50 and 2,149.35 is: 2,967.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.67 : 4,054.50 = 2,149.35 : x
  2. Step 2: Convert to fraction form
    2,936.67/4,054.50 = 2,149.35/x
  3. Step 3: Cross multiply
    2,936.67x = 4,054.50 × 2,149.35
  4. Step 4: Simplify right side
    2,936.67x = 8,714,539.58
  5. Step 5: Solve for x
    x = 8,714,539.58/2,936.67
  6. Step 6: Final answer
    x = 2,967.49

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1.5x scale

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.