Home / 3,896.11-5,840.69-1,430.36

Finding the Fourth Proportional to 3,896.11, 5,840.69 and 1,430.36

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Solution

The fourth proportional to 3,896.11, 5,840.69 and 1,430.36 is: 2,144.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.11 : 5,840.69 = 1,430.36 : x
  2. Step 2: Convert to fraction form
    3,896.11/5,840.69 = 1,430.36/x
  3. Step 3: Cross multiply
    3,896.11x = 5,840.69 × 1,430.36
  4. Step 4: Simplify right side
    3,896.11x = 8,354,252.99
  5. Step 5: Solve for x
    x = 8,354,252.99/3,896.11
  6. Step 6: Final answer
    x = 2,144.26

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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.