Home / 4,098.58-5,654.37-2,857.30

Finding the Fourth Proportional to 4,098.58, 5,654.37 and 2,857.30

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Solution

The fourth proportional to 4,098.58, 5,654.37 and 2,857.30 is: 3,941.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.58 : 5,654.37 = 2,857.30 : x
  2. Step 2: Convert to fraction form
    4,098.58/5,654.37 = 2,857.30/x
  3. Step 3: Cross multiply
    4,098.58x = 5,654.37 × 2,857.30
  4. Step 4: Simplify right side
    4,098.58x = 16,156,231.40
  5. Step 5: Solve for x
    x = 16,156,231.40/4,098.58
  6. Step 6: Final answer
    x = 3,941.91

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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.