Home / 2,845.79-4,266.85-1,201.90

Finding the Fourth Proportional to 2,845.79, 4,266.85 and 1,201.90

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Solution

The fourth proportional to 2,845.79, 4,266.85 and 1,201.90 is: 1,802.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.79 : 4,266.85 = 1,201.90 : x
  2. Step 2: Convert to fraction form
    2,845.79/4,266.85 = 1,201.90/x
  3. Step 3: Cross multiply
    2,845.79x = 4,266.85 × 1,201.90
  4. Step 4: Simplify right side
    2,845.79x = 5,128,327.02
  5. Step 5: Solve for x
    x = 5,128,327.02/2,845.79
  6. Step 6: Final answer
    x = 1,802.08

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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.