Home / 2,954.58-4,079.28-2,281.18

Finding the Fourth Proportional to 2,954.58, 4,079.28 and 2,281.18

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Solution

The fourth proportional to 2,954.58, 4,079.28 and 2,281.18 is: 3,149.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.58 : 4,079.28 = 2,281.18 : x
  2. Step 2: Convert to fraction form
    2,954.58/4,079.28 = 2,281.18/x
  3. Step 3: Cross multiply
    2,954.58x = 4,079.28 × 2,281.18
  4. Step 4: Simplify right side
    2,954.58x = 9,305,571.95
  5. Step 5: Solve for x
    x = 9,305,571.95/2,954.58
  6. Step 6: Final answer
    x = 3,149.54

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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.