Home / 2,957.60-4,436.22-1,108.57

Finding the Fourth Proportional to 2,957.60, 4,436.22 and 1,108.57

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Solution

The fourth proportional to 2,957.60, 4,436.22 and 1,108.57 is: 1,662.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.60 : 4,436.22 = 1,108.57 : x
  2. Step 2: Convert to fraction form
    2,957.60/4,436.22 = 1,108.57/x
  3. Step 3: Cross multiply
    2,957.60x = 4,436.22 × 1,108.57
  4. Step 4: Simplify right side
    2,957.60x = 4,917,860.41
  5. Step 5: Solve for x
    x = 4,917,860.41/2,957.60
  6. Step 6: Final answer
    x = 1,662.79

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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.