Home / 2,711.25-4,068.69-2,018.70

Finding the Fourth Proportional to 2,711.25, 4,068.69 and 2,018.70

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Solution

The fourth proportional to 2,711.25, 4,068.69 and 2,018.70 is: 3,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.25 : 4,068.69 = 2,018.70 : x
  2. Step 2: Convert to fraction form
    2,711.25/4,068.69 = 2,018.70/x
  3. Step 3: Cross multiply
    2,711.25x = 4,068.69 × 2,018.70
  4. Step 4: Simplify right side
    2,711.25x = 8,213,464.50
  5. Step 5: Solve for x
    x = 8,213,464.50/2,711.25
  6. Step 6: Final answer
    x = 3,029.40

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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.