Home / 4,090.26-6,134.67-1,780.50

Finding the Fourth Proportional to 4,090.26, 6,134.67 and 1,780.50

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Solution

The fourth proportional to 4,090.26, 6,134.67 and 1,780.50 is: 2,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.26 : 6,134.67 = 1,780.50 : x
  2. Step 2: Convert to fraction form
    4,090.26/6,134.67 = 1,780.50/x
  3. Step 3: Cross multiply
    4,090.26x = 6,134.67 × 1,780.50
  4. Step 4: Simplify right side
    4,090.26x = 10,922,779.94
  5. Step 5: Solve for x
    x = 10,922,779.94/4,090.26
  6. Step 6: Final answer
    x = 2,670.44

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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.