Home / 2,810.60-4,212.26-1,884.77

Finding the Fourth Proportional to 2,810.60, 4,212.26 and 1,884.77

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Solution

The fourth proportional to 2,810.60, 4,212.26 and 1,884.77 is: 2,824.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.60 : 4,212.26 = 1,884.77 : x
  2. Step 2: Convert to fraction form
    2,810.60/4,212.26 = 1,884.77/x
  3. Step 3: Cross multiply
    2,810.60x = 4,212.26 × 1,884.77
  4. Step 4: Simplify right side
    2,810.60x = 7,939,131.86
  5. Step 5: Solve for x
    x = 7,939,131.86/2,810.60
  6. Step 6: Final answer
    x = 2,824.71

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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.