Home / 3,014.35-4,515.81-1,778.08

Finding the Fourth Proportional to 3,014.35, 4,515.81 and 1,778.08

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Solution

The fourth proportional to 3,014.35, 4,515.81 and 1,778.08 is: 2,663.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.35 : 4,515.81 = 1,778.08 : x
  2. Step 2: Convert to fraction form
    3,014.35/4,515.81 = 1,778.08/x
  3. Step 3: Cross multiply
    3,014.35x = 4,515.81 × 1,778.08
  4. Step 4: Simplify right side
    3,014.35x = 8,029,471.44
  5. Step 5: Solve for x
    x = 8,029,471.44/3,014.35
  6. Step 6: Final answer
    x = 2,663.75

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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.