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Finding the Fourth Proportional to 2,960.73, 4,442.13 and 1,977.48

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Solution

The fourth proportional to 2,960.73, 4,442.13 and 1,977.48 is: 2,966.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.73 : 4,442.13 = 1,977.48 : x
  2. Step 2: Convert to fraction form
    2,960.73/4,442.13 = 1,977.48/x
  3. Step 3: Cross multiply
    2,960.73x = 4,442.13 × 1,977.48
  4. Step 4: Simplify right side
    2,960.73x = 8,784,223.23
  5. Step 5: Solve for x
    x = 8,784,223.23/2,960.73
  6. Step 6: Final answer
    x = 2,966.91

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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.