Home / 3,049.24-4,574.73-857.99

Finding the Fourth Proportional to 3,049.24, 4,574.73 and 857.99

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Solution

The fourth proportional to 3,049.24, 4,574.73 and 857.99 is: 1,287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.24 : 4,574.73 = 857.99 : x
  2. Step 2: Convert to fraction form
    3,049.24/4,574.73 = 857.99/x
  3. Step 3: Cross multiply
    3,049.24x = 4,574.73 × 857.99
  4. Step 4: Simplify right side
    3,049.24x = 3,925,072.59
  5. Step 5: Solve for x
    x = 3,925,072.59/3,049.24
  6. Step 6: Final answer
    x = 1,287.23

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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.