Home / 2,207.70-3,047.40-1,368.54

Finding the Fourth Proportional to 2,207.70, 3,047.40 and 1,368.54

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Solution

The fourth proportional to 2,207.70, 3,047.40 and 1,368.54 is: 1,889.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.70 : 3,047.40 = 1,368.54 : x
  2. Step 2: Convert to fraction form
    2,207.70/3,047.40 = 1,368.54/x
  3. Step 3: Cross multiply
    2,207.70x = 3,047.40 × 1,368.54
  4. Step 4: Simplify right side
    2,207.70x = 4,170,488.80
  5. Step 5: Solve for x
    x = 4,170,488.80/2,207.70
  6. Step 6: Final answer
    x = 1,889.06

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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.