Home / 3,656.94-5,475.68-2,858.34

Finding the Fourth Proportional to 3,656.94, 5,475.68 and 2,858.34

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Solution

The fourth proportional to 3,656.94, 5,475.68 and 2,858.34 is: 4,279.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.94 : 5,475.68 = 2,858.34 : x
  2. Step 2: Convert to fraction form
    3,656.94/5,475.68 = 2,858.34/x
  3. Step 3: Cross multiply
    3,656.94x = 5,475.68 × 2,858.34
  4. Step 4: Simplify right side
    3,656.94x = 15,651,355.17
  5. Step 5: Solve for x
    x = 15,651,355.17/3,656.94
  6. Step 6: Final answer
    x = 4,279.90

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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.