Home / 3,684.30-5,514.30-2,858.10

Finding the Fourth Proportional to 3,684.30, 5,514.30 and 2,858.10

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Solution

The fourth proportional to 3,684.30, 5,514.30 and 2,858.10 is: 4,277.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.30 : 5,514.30 = 2,858.10 : x
  2. Step 2: Convert to fraction form
    3,684.30/5,514.30 = 2,858.10/x
  3. Step 3: Cross multiply
    3,684.30x = 5,514.30 × 2,858.10
  4. Step 4: Simplify right side
    3,684.30x = 15,760,420.83
  5. Step 5: Solve for x
    x = 15,760,420.83/3,684.30
  6. Step 6: Final answer
    x = 4,277.72

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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.