Home / 1,895.59-2,843.99-1,115.43

Finding the Fourth Proportional to 1,895.59, 2,843.99 and 1,115.43

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Solution

The fourth proportional to 1,895.59, 2,843.99 and 1,115.43 is: 1,673.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.59 : 2,843.99 = 1,115.43 : x
  2. Step 2: Convert to fraction form
    1,895.59/2,843.99 = 1,115.43/x
  3. Step 3: Cross multiply
    1,895.59x = 2,843.99 × 1,115.43
  4. Step 4: Simplify right side
    1,895.59x = 3,172,271.77
  5. Step 5: Solve for x
    x = 3,172,271.77/1,895.59
  6. Step 6: Final answer
    x = 1,673.50

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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.