Home / 2,303.20-3,179.13-2,185.63

Finding the Fourth Proportional to 2,303.20, 3,179.13 and 2,185.63

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Solution

The fourth proportional to 2,303.20, 3,179.13 and 2,185.63 is: 3,016.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.20 : 3,179.13 = 2,185.63 : x
  2. Step 2: Convert to fraction form
    2,303.20/3,179.13 = 2,185.63/x
  3. Step 3: Cross multiply
    2,303.20x = 3,179.13 × 2,185.63
  4. Step 4: Simplify right side
    2,303.20x = 6,948,401.90
  5. Step 5: Solve for x
    x = 6,948,401.90/2,303.20
  6. Step 6: Final answer
    x = 3,016.85

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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.