Home / 4,284.79-5,911.32-2,690.50

Finding the Fourth Proportional to 4,284.79, 5,911.32 and 2,690.50

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Solution

The fourth proportional to 4,284.79, 5,911.32 and 2,690.50 is: 3,711.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.79 : 5,911.32 = 2,690.50 : x
  2. Step 2: Convert to fraction form
    4,284.79/5,911.32 = 2,690.50/x
  3. Step 3: Cross multiply
    4,284.79x = 5,911.32 × 2,690.50
  4. Step 4: Simplify right side
    4,284.79x = 15,904,406.46
  5. Step 5: Solve for x
    x = 15,904,406.46/4,284.79
  6. Step 6: Final answer
    x = 3,711.83

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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.