Home / 1,897.56-2,847.48-1,119.06

Finding the Fourth Proportional to 1,897.56, 2,847.48 and 1,119.06

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Solution

The fourth proportional to 1,897.56, 2,847.48 and 1,119.06 is: 1,679.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.56 : 2,847.48 = 1,119.06 : x
  2. Step 2: Convert to fraction form
    1,897.56/2,847.48 = 1,119.06/x
  3. Step 3: Cross multiply
    1,897.56x = 2,847.48 × 1,119.06
  4. Step 4: Simplify right side
    1,897.56x = 3,186,500.97
  5. Step 5: Solve for x
    x = 3,186,500.97/1,897.56
  6. Step 6: Final answer
    x = 1,679.26

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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.