Home / 3,381.56-5,070.97-1,189.77

Finding the Fourth Proportional to 3,381.56, 5,070.97 and 1,189.77

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Solution

The fourth proportional to 3,381.56, 5,070.97 and 1,189.77 is: 1,784.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.56 : 5,070.97 = 1,189.77 : x
  2. Step 2: Convert to fraction form
    3,381.56/5,070.97 = 1,189.77/x
  3. Step 3: Cross multiply
    3,381.56x = 5,070.97 × 1,189.77
  4. Step 4: Simplify right side
    3,381.56x = 6,033,287.98
  5. Step 5: Solve for x
    x = 6,033,287.98/3,381.56
  6. Step 6: Final answer
    x = 1,784.17

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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.