Home / 2,771.03-4,155.09-2,455.22

Finding the Fourth Proportional to 2,771.03, 4,155.09 and 2,455.22

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Solution

The fourth proportional to 2,771.03, 4,155.09 and 2,455.22 is: 3,681.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.03 : 4,155.09 = 2,455.22 : x
  2. Step 2: Convert to fraction form
    2,771.03/4,155.09 = 2,455.22/x
  3. Step 3: Cross multiply
    2,771.03x = 4,155.09 × 2,455.22
  4. Step 4: Simplify right side
    2,771.03x = 10,201,639.29
  5. Step 5: Solve for x
    x = 10,201,639.29/2,771.03
  6. Step 6: Final answer
    x = 3,681.54

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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.