Home / 4,218.42-6,328.98-2,025.90

Finding the Fourth Proportional to 4,218.42, 6,328.98 and 2,025.90

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Solution

The fourth proportional to 4,218.42, 6,328.98 and 2,025.90 is: 3,039.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.42 : 6,328.98 = 2,025.90 : x
  2. Step 2: Convert to fraction form
    4,218.42/6,328.98 = 2,025.90/x
  3. Step 3: Cross multiply
    4,218.42x = 6,328.98 × 2,025.90
  4. Step 4: Simplify right side
    4,218.42x = 12,821,880.58
  5. Step 5: Solve for x
    x = 12,821,880.58/4,218.42
  6. Step 6: Final answer
    x = 3,039.50

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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.