Home / 3,010.78-4,153.65-2,126.26

Finding the Fourth Proportional to 3,010.78, 4,153.65 and 2,126.26

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Solution

The fourth proportional to 3,010.78, 4,153.65 and 2,126.26 is: 2,933.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.78 : 4,153.65 = 2,126.26 : x
  2. Step 2: Convert to fraction form
    3,010.78/4,153.65 = 2,126.26/x
  3. Step 3: Cross multiply
    3,010.78x = 4,153.65 × 2,126.26
  4. Step 4: Simplify right side
    3,010.78x = 8,831,739.85
  5. Step 5: Solve for x
    x = 8,831,739.85/3,010.78
  6. Step 6: Final answer
    x = 2,933.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.