Home / 2,778.48-3,834.77-1,599.30

Finding the Fourth Proportional to 2,778.48, 3,834.77 and 1,599.30

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Solution

The fourth proportional to 2,778.48, 3,834.77 and 1,599.30 is: 2,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778.48 : 3,834.77 = 1,599.30 : x
  2. Step 2: Convert to fraction form
    2,778.48/3,834.77 = 1,599.30/x
  3. Step 3: Cross multiply
    2,778.48x = 3,834.77 × 1,599.30
  4. Step 4: Simplify right side
    2,778.48x = 6,132,939.66
  5. Step 5: Solve for x
    x = 6,132,939.66/2,778.48
  6. Step 6: Final answer
    x = 2,207.30

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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.