Home / 3,923.04-5,883.91-1,290.58

Finding the Fourth Proportional to 3,923.04, 5,883.91 and 1,290.58

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Solution

The fourth proportional to 3,923.04, 5,883.91 and 1,290.58 is: 1,935.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.04 : 5,883.91 = 1,290.58 : x
  2. Step 2: Convert to fraction form
    3,923.04/5,883.91 = 1,290.58/x
  3. Step 3: Cross multiply
    3,923.04x = 5,883.91 × 1,290.58
  4. Step 4: Simplify right side
    3,923.04x = 7,593,623.92
  5. Step 5: Solve for x
    x = 7,593,623.92/3,923.04
  6. Step 6: Final answer
    x = 1,935.65

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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.