Home / 1,548.22-2,135.49-957.73

Finding the Fourth Proportional to 1,548.22, 2,135.49 and 957.73

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Solution

The fourth proportional to 1,548.22, 2,135.49 and 957.73 is: 1,321.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.22 : 2,135.49 = 957.73 : x
  2. Step 2: Convert to fraction form
    1,548.22/2,135.49 = 957.73/x
  3. Step 3: Cross multiply
    1,548.22x = 2,135.49 × 957.73
  4. Step 4: Simplify right side
    1,548.22x = 2,045,222.84
  5. Step 5: Solve for x
    x = 2,045,222.84/1,548.22
  6. Step 6: Final answer
    x = 1,321.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.