Home / 3,162.12-4,746.42-1,519.44

Finding the Fourth Proportional to 3,162.12, 4,746.42 and 1,519.44

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Solution

The fourth proportional to 3,162.12, 4,746.42 and 1,519.44 is: 2,280.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.12 : 4,746.42 = 1,519.44 : x
  2. Step 2: Convert to fraction form
    3,162.12/4,746.42 = 1,519.44/x
  3. Step 3: Cross multiply
    3,162.12x = 4,746.42 × 1,519.44
  4. Step 4: Simplify right side
    3,162.12x = 7,211,900.40
  5. Step 5: Solve for x
    x = 7,211,900.40/3,162.12
  6. Step 6: Final answer
    x = 2,280.72

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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.