Home / 3,090.74-4,634.06-1,994.51

Finding the Fourth Proportional to 3,090.74, 4,634.06 and 1,994.51

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Solution

The fourth proportional to 3,090.74, 4,634.06 and 1,994.51 is: 2,990.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.74 : 4,634.06 = 1,994.51 : x
  2. Step 2: Convert to fraction form
    3,090.74/4,634.06 = 1,994.51/x
  3. Step 3: Cross multiply
    3,090.74x = 4,634.06 × 1,994.51
  4. Step 4: Simplify right side
    3,090.74x = 9,242,679.01
  5. Step 5: Solve for x
    x = 9,242,679.01/3,090.74
  6. Step 6: Final answer
    x = 2,990.44

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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.