Home / 2,960.45-4,442.03-1,111.71

Finding the Fourth Proportional to 2,960.45, 4,442.03 and 1,111.71

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Solution

The fourth proportional to 2,960.45, 4,442.03 and 1,111.71 is: 1,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.45 : 4,442.03 = 1,111.71 : x
  2. Step 2: Convert to fraction form
    2,960.45/4,442.03 = 1,111.71/x
  3. Step 3: Cross multiply
    2,960.45x = 4,442.03 × 1,111.71
  4. Step 4: Simplify right side
    2,960.45x = 4,938,243.61
  5. Step 5: Solve for x
    x = 4,938,243.61/2,960.45
  6. Step 6: Final answer
    x = 1,668.07

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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.