Home / 3,896.10-5,846.71-1,430.94

Finding the Fourth Proportional to 3,896.10, 5,846.71 and 1,430.94

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Solution

The fourth proportional to 3,896.10, 5,846.71 and 1,430.94 is: 2,147.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.10 : 5,846.71 = 1,430.94 : x
  2. Step 2: Convert to fraction form
    3,896.10/5,846.71 = 1,430.94/x
  3. Step 3: Cross multiply
    3,896.10x = 5,846.71 × 1,430.94
  4. Step 4: Simplify right side
    3,896.10x = 8,366,284.05
  5. Step 5: Solve for x
    x = 8,366,284.05/3,896.10
  6. Step 6: Final answer
    x = 2,147.35

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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.