Home / 2,845.99-4,270.47-1,090.86

Finding the Fourth Proportional to 2,845.99, 4,270.47 and 1,090.86

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Solution

The fourth proportional to 2,845.99, 4,270.47 and 1,090.86 is: 1,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.99 : 4,270.47 = 1,090.86 : x
  2. Step 2: Convert to fraction form
    2,845.99/4,270.47 = 1,090.86/x
  3. Step 3: Cross multiply
    2,845.99x = 4,270.47 × 1,090.86
  4. Step 4: Simplify right side
    2,845.99x = 4,658,484.90
  5. Step 5: Solve for x
    x = 4,658,484.90/2,845.99
  6. Step 6: Final answer
    x = 1,636.86

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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.