Home / 2,943.19-4,063.42-2,235.07

Finding the Fourth Proportional to 2,943.19, 4,063.42 and 2,235.07

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Solution

The fourth proportional to 2,943.19, 4,063.42 and 2,235.07 is: 3,085.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.19 : 4,063.42 = 2,235.07 : x
  2. Step 2: Convert to fraction form
    2,943.19/4,063.42 = 2,235.07/x
  3. Step 3: Cross multiply
    2,943.19x = 4,063.42 × 2,235.07
  4. Step 4: Simplify right side
    2,943.19x = 9,082,012.01
  5. Step 5: Solve for x
    x = 9,082,012.01/2,943.19
  6. Step 6: Final answer
    x = 3,085.78

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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.