Home / 2,239.93-3,091.01-1,245.18

Finding the Fourth Proportional to 2,239.93, 3,091.01 and 1,245.18

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Solution

The fourth proportional to 2,239.93, 3,091.01 and 1,245.18 is: 1,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.93 : 3,091.01 = 1,245.18 : x
  2. Step 2: Convert to fraction form
    2,239.93/3,091.01 = 1,245.18/x
  3. Step 3: Cross multiply
    2,239.93x = 3,091.01 × 1,245.18
  4. Step 4: Simplify right side
    2,239.93x = 3,848,857.61
  5. Step 5: Solve for x
    x = 3,848,857.61/2,239.93
  6. Step 6: Final answer
    x = 1,718.30

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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.