Home / 1,986.19-2,958.30-1,882.10

Finding the Fourth Proportional to 1,986.19, 2,958.30 and 1,882.10

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Solution

The fourth proportional to 1,986.19, 2,958.30 and 1,882.10 is: 2,803.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986.19 : 2,958.30 = 1,882.10 : x
  2. Step 2: Convert to fraction form
    1,986.19/2,958.30 = 1,882.10/x
  3. Step 3: Cross multiply
    1,986.19x = 2,958.30 × 1,882.10
  4. Step 4: Simplify right side
    1,986.19x = 5,567,823.83
  5. Step 5: Solve for x
    x = 5,567,823.83/1,986.19
  6. Step 6: Final answer
    x = 2,803.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.