Home / 3,400.23-5,102.25-1,840.20

Finding the Fourth Proportional to 3,400.23, 5,102.25 and 1,840.20

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Solution

The fourth proportional to 3,400.23, 5,102.25 and 1,840.20 is: 2,761.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.23 : 5,102.25 = 1,840.20 : x
  2. Step 2: Convert to fraction form
    3,400.23/5,102.25 = 1,840.20/x
  3. Step 3: Cross multiply
    3,400.23x = 5,102.25 × 1,840.20
  4. Step 4: Simplify right side
    3,400.23x = 9,389,160.45
  5. Step 5: Solve for x
    x = 9,389,160.45/3,400.23
  6. Step 6: Final answer
    x = 2,761.33

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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.