Home / 2,286.63-3,429.81-1,116.18

Finding the Fourth Proportional to 2,286.63, 3,429.81 and 1,116.18

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Solution

The fourth proportional to 2,286.63, 3,429.81 and 1,116.18 is: 1,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.63 : 3,429.81 = 1,116.18 : x
  2. Step 2: Convert to fraction form
    2,286.63/3,429.81 = 1,116.18/x
  3. Step 3: Cross multiply
    2,286.63x = 3,429.81 × 1,116.18
  4. Step 4: Simplify right side
    2,286.63x = 3,828,285.33
  5. Step 5: Solve for x
    x = 3,828,285.33/2,286.63
  6. Step 6: Final answer
    x = 1,674.20

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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.