Home / 2,087.94-2,878.68-1,747.44

Finding the Fourth Proportional to 2,087.94, 2,878.68 and 1,747.44

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Solution

The fourth proportional to 2,087.94, 2,878.68 and 1,747.44 is: 2,409.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.94 : 2,878.68 = 1,747.44 : x
  2. Step 2: Convert to fraction form
    2,087.94/2,878.68 = 1,747.44/x
  3. Step 3: Cross multiply
    2,087.94x = 2,878.68 × 1,747.44
  4. Step 4: Simplify right side
    2,087.94x = 5,030,320.58
  5. Step 5: Solve for x
    x = 5,030,320.58/2,087.94
  6. Step 6: Final answer
    x = 2,409.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.