Home / 4,194.80-6,291.30-1,854.80

Finding the Fourth Proportional to 4,194.80, 6,291.30 and 1,854.80

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Solution

The fourth proportional to 4,194.80, 6,291.30 and 1,854.80 is: 2,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,194.80 : 6,291.30 = 1,854.80 : x
  2. Step 2: Convert to fraction form
    4,194.80/6,291.30 = 1,854.80/x
  3. Step 3: Cross multiply
    4,194.80x = 6,291.30 × 1,854.80
  4. Step 4: Simplify right side
    4,194.80x = 11,669,103.24
  5. Step 5: Solve for x
    x = 11,669,103.24/4,194.80
  6. Step 6: Final answer
    x = 2,781.80

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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.