Home / 3,004.13-4,145.75-1,659.80

Finding the Fourth Proportional to 3,004.13, 4,145.75 and 1,659.80

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Solution

The fourth proportional to 3,004.13, 4,145.75 and 1,659.80 is: 2,290.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.13 : 4,145.75 = 1,659.80 : x
  2. Step 2: Convert to fraction form
    3,004.13/4,145.75 = 1,659.80/x
  3. Step 3: Cross multiply
    3,004.13x = 4,145.75 × 1,659.80
  4. Step 4: Simplify right side
    3,004.13x = 6,881,115.85
  5. Step 5: Solve for x
    x = 6,881,115.85/3,004.13
  6. Step 6: Final answer
    x = 2,290.55

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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.