Home / 3,619.42-4,994.84-2,127.52

Finding the Fourth Proportional to 3,619.42, 4,994.84 and 2,127.52

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Solution

The fourth proportional to 3,619.42, 4,994.84 and 2,127.52 is: 2,936.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.42 : 4,994.84 = 2,127.52 : x
  2. Step 2: Convert to fraction form
    3,619.42/4,994.84 = 2,127.52/x
  3. Step 3: Cross multiply
    3,619.42x = 4,994.84 × 2,127.52
  4. Step 4: Simplify right side
    3,619.42x = 10,626,622.00
  5. Step 5: Solve for x
    x = 10,626,622.00/3,619.42
  6. Step 6: Final answer
    x = 2,936.00

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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.