Home / 2,957.60-4,434-1,108.44

Finding the Fourth Proportional to 2,957.60, 4,434 and 1,108.44

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Solution

The fourth proportional to 2,957.60, 4,434 and 1,108.44 is: 1,661.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.60 : 4,434 = 1,108.44 : x
  2. Step 2: Convert to fraction form
    2,957.60/4,434 = 1,108.44/x
  3. Step 3: Cross multiply
    2,957.60x = 4,434 × 1,108.44
  4. Step 4: Simplify right side
    2,957.60x = 4,914,822.96
  5. Step 5: Solve for x
    x = 4,914,822.96/2,957.60
  6. Step 6: Final answer
    x = 1,661.76

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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.