Home / 3,784.95-5,676.62-1,186.47

Finding the Fourth Proportional to 3,784.95, 5,676.62 and 1,186.47

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Solution

The fourth proportional to 3,784.95, 5,676.62 and 1,186.47 is: 1,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.95 : 5,676.62 = 1,186.47 : x
  2. Step 2: Convert to fraction form
    3,784.95/5,676.62 = 1,186.47/x
  3. Step 3: Cross multiply
    3,784.95x = 5,676.62 × 1,186.47
  4. Step 4: Simplify right side
    3,784.95x = 6,735,133.40
  5. Step 5: Solve for x
    x = 6,735,133.40/3,784.95
  6. Step 6: Final answer
    x = 1,779.45

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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.