Home / 3,050.06-4,575.39-858.80

Finding the Fourth Proportional to 3,050.06, 4,575.39 and 858.80

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Solution

The fourth proportional to 3,050.06, 4,575.39 and 858.80 is: 1,288.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.06 : 4,575.39 = 858.80 : x
  2. Step 2: Convert to fraction form
    3,050.06/4,575.39 = 858.80/x
  3. Step 3: Cross multiply
    3,050.06x = 4,575.39 × 858.80
  4. Step 4: Simplify right side
    3,050.06x = 3,929,353.15
  5. Step 5: Solve for x
    x = 3,929,353.15/3,050.06
  6. Step 6: Final answer
    x = 1,288.29

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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.