Home / 3,849.07-5,774.01-1,899.40

Finding the Fourth Proportional to 3,849.07, 5,774.01 and 1,899.40

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Solution

The fourth proportional to 3,849.07, 5,774.01 and 1,899.40 is: 2,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.07 : 5,774.01 = 1,899.40 : x
  2. Step 2: Convert to fraction form
    3,849.07/5,774.01 = 1,899.40/x
  3. Step 3: Cross multiply
    3,849.07x = 5,774.01 × 1,899.40
  4. Step 4: Simplify right side
    3,849.07x = 10,967,154.59
  5. Step 5: Solve for x
    x = 10,967,154.59/3,849.07
  6. Step 6: Final answer
    x = 2,849.30

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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.