Home / 2,845.29-4,266.11-1,201.40

Finding the Fourth Proportional to 2,845.29, 4,266.11 and 1,201.40

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Solution

The fourth proportional to 2,845.29, 4,266.11 and 1,201.40 is: 1,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.29 : 4,266.11 = 1,201.40 : x
  2. Step 2: Convert to fraction form
    2,845.29/4,266.11 = 1,201.40/x
  3. Step 3: Cross multiply
    2,845.29x = 4,266.11 × 1,201.40
  4. Step 4: Simplify right side
    2,845.29x = 5,125,277.22
  5. Step 5: Solve for x
    x = 5,125,277.22/2,845.29
  6. Step 6: Final answer
    x = 1,801.32

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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.