Home / 3,602.10-5,415.30-2,879.58

Finding the Fourth Proportional to 3,602.10, 5,415.30 and 2,879.58

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Solution

The fourth proportional to 3,602.10, 5,415.30 and 2,879.58 is: 4,329.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.10 : 5,415.30 = 2,879.58 : x
  2. Step 2: Convert to fraction form
    3,602.10/5,415.30 = 2,879.58/x
  3. Step 3: Cross multiply
    3,602.10x = 5,415.30 × 2,879.58
  4. Step 4: Simplify right side
    3,602.10x = 15,593,789.57
  5. Step 5: Solve for x
    x = 15,593,789.57/3,602.10
  6. Step 6: Final answer
    x = 4,329.08

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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.