Home / 3,637.09-5,458.03-1,994.79

Finding the Fourth Proportional to 3,637.09, 5,458.03 and 1,994.79

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Solution

The fourth proportional to 3,637.09, 5,458.03 and 1,994.79 is: 2,993.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.09 : 5,458.03 = 1,994.79 : x
  2. Step 2: Convert to fraction form
    3,637.09/5,458.03 = 1,994.79/x
  3. Step 3: Cross multiply
    3,637.09x = 5,458.03 × 1,994.79
  4. Step 4: Simplify right side
    3,637.09x = 10,887,644.75
  5. Step 5: Solve for x
    x = 10,887,644.75/3,637.09
  6. Step 6: Final answer
    x = 2,993.50

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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.