Home / 2,960.99-4,442.20-1,112.13

Finding the Fourth Proportional to 2,960.99, 4,442.20 and 1,112.13

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Solution

The fourth proportional to 2,960.99, 4,442.20 and 1,112.13 is: 1,668.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.99 : 4,442.20 = 1,112.13 : x
  2. Step 2: Convert to fraction form
    2,960.99/4,442.20 = 1,112.13/x
  3. Step 3: Cross multiply
    2,960.99x = 4,442.20 × 1,112.13
  4. Step 4: Simplify right side
    2,960.99x = 4,940,303.89
  5. Step 5: Solve for x
    x = 4,940,303.89/2,960.99
  6. Step 6: Final answer
    x = 1,668.46

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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.