Home / 2,858.16-4,288.02-2,078.94

Finding the Fourth Proportional to 2,858.16, 4,288.02 and 2,078.94

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Solution

The fourth proportional to 2,858.16, 4,288.02 and 2,078.94 is: 3,118.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.16 : 4,288.02 = 2,078.94 : x
  2. Step 2: Convert to fraction form
    2,858.16/4,288.02 = 2,078.94/x
  3. Step 3: Cross multiply
    2,858.16x = 4,288.02 × 2,078.94
  4. Step 4: Simplify right side
    2,858.16x = 8,914,536.30
  5. Step 5: Solve for x
    x = 8,914,536.30/2,858.16
  6. Step 6: Final answer
    x = 3,118.98

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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.