Home / 3,159.42-4,738.73-1,079.57

Finding the Fourth Proportional to 3,159.42, 4,738.73 and 1,079.57

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Solution

The fourth proportional to 3,159.42, 4,738.73 and 1,079.57 is: 1,619.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.42 : 4,738.73 = 1,079.57 : x
  2. Step 2: Convert to fraction form
    3,159.42/4,738.73 = 1,079.57/x
  3. Step 3: Cross multiply
    3,159.42x = 4,738.73 × 1,079.57
  4. Step 4: Simplify right side
    3,159.42x = 5,115,761.65
  5. Step 5: Solve for x
    x = 5,115,761.65/3,159.42
  6. Step 6: Final answer
    x = 1,619.21

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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.