Home / 2,085.92-2,878.44-1,141.64

Finding the Fourth Proportional to 2,085.92, 2,878.44 and 1,141.64

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Solution

The fourth proportional to 2,085.92, 2,878.44 and 1,141.64 is: 1,575.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085.92 : 2,878.44 = 1,141.64 : x
  2. Step 2: Convert to fraction form
    2,085.92/2,878.44 = 1,141.64/x
  3. Step 3: Cross multiply
    2,085.92x = 2,878.44 × 1,141.64
  4. Step 4: Simplify right side
    2,085.92x = 3,286,142.24
  5. Step 5: Solve for x
    x = 3,286,142.24/2,085.92
  6. Step 6: Final answer
    x = 1,575.39

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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.