Home / 3,040.70-4,558.35-1,806.80

Finding the Fourth Proportional to 3,040.70, 4,558.35 and 1,806.80

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Solution

The fourth proportional to 3,040.70, 4,558.35 and 1,806.80 is: 2,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.70 : 4,558.35 = 1,806.80 : x
  2. Step 2: Convert to fraction form
    3,040.70/4,558.35 = 1,806.80/x
  3. Step 3: Cross multiply
    3,040.70x = 4,558.35 × 1,806.80
  4. Step 4: Simplify right side
    3,040.70x = 8,236,026.78
  5. Step 5: Solve for x
    x = 8,236,026.78/3,040.70
  6. Step 6: Final answer
    x = 2,708.60

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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.