Home / 2,886.48-4,324.96-2,778.52

Finding the Fourth Proportional to 2,886.48, 4,324.96 and 2,778.52

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Solution

The fourth proportional to 2,886.48, 4,324.96 and 2,778.52 is: 4,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.48 : 4,324.96 = 2,778.52 : x
  2. Step 2: Convert to fraction form
    2,886.48/4,324.96 = 2,778.52/x
  3. Step 3: Cross multiply
    2,886.48x = 4,324.96 × 2,778.52
  4. Step 4: Simplify right side
    2,886.48x = 12,016,987.86
  5. Step 5: Solve for x
    x = 12,016,987.86/2,886.48
  6. Step 6: Final answer
    x = 4,163.20

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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.