Home / 2,949.37-4,051.93-2,638.75

Finding the Fourth Proportional to 2,949.37, 4,051.93 and 2,638.75

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Solution

The fourth proportional to 2,949.37, 4,051.93 and 2,638.75 is: 3,625.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.37 : 4,051.93 = 2,638.75 : x
  2. Step 2: Convert to fraction form
    2,949.37/4,051.93 = 2,638.75/x
  3. Step 3: Cross multiply
    2,949.37x = 4,051.93 × 2,638.75
  4. Step 4: Simplify right side
    2,949.37x = 10,692,039.36
  5. Step 5: Solve for x
    x = 10,692,039.36/2,949.37
  6. Step 6: Final answer
    x = 3,625.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.