Home / 3,784.19-5,675.95-1,319.03

Finding the Fourth Proportional to 3,784.19, 5,675.95 and 1,319.03

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Solution

The fourth proportional to 3,784.19, 5,675.95 and 1,319.03 is: 1,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.19 : 5,675.95 = 1,319.03 : x
  2. Step 2: Convert to fraction form
    3,784.19/5,675.95 = 1,319.03/x
  3. Step 3: Cross multiply
    3,784.19x = 5,675.95 × 1,319.03
  4. Step 4: Simplify right side
    3,784.19x = 7,486,771.10
  5. Step 5: Solve for x
    x = 7,486,771.10/3,784.19
  6. Step 6: Final answer
    x = 1,978.43

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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.