Home / 3,324.10-4,986.41-858.92

Finding the Fourth Proportional to 3,324.10, 4,986.41 and 858.92

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Solution

The fourth proportional to 3,324.10, 4,986.41 and 858.92 is: 1,288.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.10 : 4,986.41 = 858.92 : x
  2. Step 2: Convert to fraction form
    3,324.10/4,986.41 = 858.92/x
  3. Step 3: Cross multiply
    3,324.10x = 4,986.41 × 858.92
  4. Step 4: Simplify right side
    3,324.10x = 4,282,927.28
  5. Step 5: Solve for x
    x = 4,282,927.28/3,324.10
  6. Step 6: Final answer
    x = 1,288.45

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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.