Home / 3,659.28-5,050.44-2,778

Finding the Fourth Proportional to 3,659.28, 5,050.44 and 2,778

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Solution

The fourth proportional to 3,659.28, 5,050.44 and 2,778 is: 3,834.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.28 : 5,050.44 = 2,778 : x
  2. Step 2: Convert to fraction form
    3,659.28/5,050.44 = 2,778/x
  3. Step 3: Cross multiply
    3,659.28x = 5,050.44 × 2,778
  4. Step 4: Simplify right side
    3,659.28x = 14,030,122.32
  5. Step 5: Solve for x
    x = 14,030,122.32/3,659.28
  6. Step 6: Final answer
    x = 3,834.12

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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.