Home / 3,077.48-4,266.44-2,911.23

Finding the Fourth Proportional to 3,077.48, 4,266.44 and 2,911.23

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Solution

The fourth proportional to 3,077.48, 4,266.44 and 2,911.23 is: 4,035.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.48 : 4,266.44 = 2,911.23 : x
  2. Step 2: Convert to fraction form
    3,077.48/4,266.44 = 2,911.23/x
  3. Step 3: Cross multiply
    3,077.48x = 4,266.44 × 2,911.23
  4. Step 4: Simplify right side
    3,077.48x = 12,420,588.12
  5. Step 5: Solve for x
    x = 12,420,588.12/3,077.48
  6. Step 6: Final answer
    x = 4,035.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.