Home / 3,927.78-5,883.96-2,280.87

Finding the Fourth Proportional to 3,927.78, 5,883.96 and 2,280.87

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Solution

The fourth proportional to 3,927.78, 5,883.96 and 2,280.87 is: 3,416.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.78 : 5,883.96 = 2,280.87 : x
  2. Step 2: Convert to fraction form
    3,927.78/5,883.96 = 2,280.87/x
  3. Step 3: Cross multiply
    3,927.78x = 5,883.96 × 2,280.87
  4. Step 4: Simplify right side
    3,927.78x = 13,420,547.85
  5. Step 5: Solve for x
    x = 13,420,547.85/3,927.78
  6. Step 6: Final answer
    x = 3,416.83

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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.