Home / 3,651.08-5,038.74-2,078.84

Finding the Fourth Proportional to 3,651.08, 5,038.74 and 2,078.84

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Solution

The fourth proportional to 3,651.08, 5,038.74 and 2,078.84 is: 2,868.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.08 : 5,038.74 = 2,078.84 : x
  2. Step 2: Convert to fraction form
    3,651.08/5,038.74 = 2,078.84/x
  3. Step 3: Cross multiply
    3,651.08x = 5,038.74 × 2,078.84
  4. Step 4: Simplify right side
    3,651.08x = 10,474,734.26
  5. Step 5: Solve for x
    x = 10,474,734.26/3,651.08
  6. Step 6: Final answer
    x = 2,868.94

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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.