Home / 2,845.88-4,261.68-1,802.72

Finding the Fourth Proportional to 2,845.88, 4,261.68 and 1,802.72

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Solution

The fourth proportional to 2,845.88, 4,261.68 and 1,802.72 is: 2,699.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.88 : 4,261.68 = 1,802.72 : x
  2. Step 2: Convert to fraction form
    2,845.88/4,261.68 = 1,802.72/x
  3. Step 3: Cross multiply
    2,845.88x = 4,261.68 × 1,802.72
  4. Step 4: Simplify right side
    2,845.88x = 7,682,615.77
  5. Step 5: Solve for x
    x = 7,682,615.77/2,845.88
  6. Step 6: Final answer
    x = 2,699.56

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1.5x scale

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.