Home / 3,115.87-4,671.49-1,882.99

Finding the Fourth Proportional to 3,115.87, 4,671.49 and 1,882.99

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Solution

The fourth proportional to 3,115.87, 4,671.49 and 1,882.99 is: 2,823.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.87 : 4,671.49 = 1,882.99 : x
  2. Step 2: Convert to fraction form
    3,115.87/4,671.49 = 1,882.99/x
  3. Step 3: Cross multiply
    3,115.87x = 4,671.49 × 1,882.99
  4. Step 4: Simplify right side
    3,115.87x = 8,796,368.96
  5. Step 5: Solve for x
    x = 8,796,368.96/3,115.87
  6. Step 6: Final answer
    x = 2,823.09

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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.