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Finding the Fourth Proportional to 3,050.87, 4,575.69 and 859.01

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Solution

The fourth proportional to 3,050.87, 4,575.69 and 859.01 is: 1,288.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.87 : 4,575.69 = 859.01 : x
  2. Step 2: Convert to fraction form
    3,050.87/4,575.69 = 859.01/x
  3. Step 3: Cross multiply
    3,050.87x = 4,575.69 × 859.01
  4. Step 4: Simplify right side
    3,050.87x = 3,930,540.59
  5. Step 5: Solve for x
    x = 3,930,540.59/3,050.87
  6. Step 6: Final answer
    x = 1,288.34

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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.