Home / 3,047.23-4,205.19-1,868.07

Finding the Fourth Proportional to 3,047.23, 4,205.19 and 1,868.07

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Solution

The fourth proportional to 3,047.23, 4,205.19 and 1,868.07 is: 2,577.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.23 : 4,205.19 = 1,868.07 : x
  2. Step 2: Convert to fraction form
    3,047.23/4,205.19 = 1,868.07/x
  3. Step 3: Cross multiply
    3,047.23x = 4,205.19 × 1,868.07
  4. Step 4: Simplify right side
    3,047.23x = 7,855,589.28
  5. Step 5: Solve for x
    x = 7,855,589.28/3,047.23
  6. Step 6: Final answer
    x = 2,577.95

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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.