Home / 3,089.20-4,633.80-1,447.33

Finding the Fourth Proportional to 3,089.20, 4,633.80 and 1,447.33

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Solution

The fourth proportional to 3,089.20, 4,633.80 and 1,447.33 is: 2,171.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.20 : 4,633.80 = 1,447.33 : x
  2. Step 2: Convert to fraction form
    3,089.20/4,633.80 = 1,447.33/x
  3. Step 3: Cross multiply
    3,089.20x = 4,633.80 × 1,447.33
  4. Step 4: Simplify right side
    3,089.20x = 6,706,637.75
  5. Step 5: Solve for x
    x = 6,706,637.75/3,089.20
  6. Step 6: Final answer
    x = 2,171.00

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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.