Home / 3,004.40-4,145.82-1,659.80

Finding the Fourth Proportional to 3,004.40, 4,145.82 and 1,659.80

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Solution

The fourth proportional to 3,004.40, 4,145.82 and 1,659.80 is: 2,290.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.40 : 4,145.82 = 1,659.80 : x
  2. Step 2: Convert to fraction form
    3,004.40/4,145.82 = 1,659.80/x
  3. Step 3: Cross multiply
    3,004.40x = 4,145.82 × 1,659.80
  4. Step 4: Simplify right side
    3,004.40x = 6,881,211.31
  5. Step 5: Solve for x
    x = 6,881,211.31/3,004.40
  6. Step 6: Final answer
    x = 2,290.38

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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.