Home / 3,049.36-4,573.33-858.30

Finding the Fourth Proportional to 3,049.36, 4,573.33 and 858.30

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Solution

The fourth proportional to 3,049.36, 4,573.33 and 858.30 is: 1,287.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.36 : 4,573.33 = 858.30 : x
  2. Step 2: Convert to fraction form
    3,049.36/4,573.33 = 858.30/x
  3. Step 3: Cross multiply
    3,049.36x = 4,573.33 × 858.30
  4. Step 4: Simplify right side
    3,049.36x = 3,925,289.14
  5. Step 5: Solve for x
    x = 3,925,289.14/3,049.36
  6. Step 6: Final answer
    x = 1,287.25

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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.