Home / 3,010.85-4,154.78-1,684.33

Finding the Fourth Proportional to 3,010.85, 4,154.78 and 1,684.33

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Solution

The fourth proportional to 3,010.85, 4,154.78 and 1,684.33 is: 2,324.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.85 : 4,154.78 = 1,684.33 : x
  2. Step 2: Convert to fraction form
    3,010.85/4,154.78 = 1,684.33/x
  3. Step 3: Cross multiply
    3,010.85x = 4,154.78 × 1,684.33
  4. Step 4: Simplify right side
    3,010.85x = 6,997,991.40
  5. Step 5: Solve for x
    x = 6,997,991.40/3,010.85
  6. Step 6: Final answer
    x = 2,324.26

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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.