Home / 2,810.84-4,214.87-1,771.67

Finding the Fourth Proportional to 2,810.84, 4,214.87 and 1,771.67

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Solution

The fourth proportional to 2,810.84, 4,214.87 and 1,771.67 is: 2,656.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.84 : 4,214.87 = 1,771.67 : x
  2. Step 2: Convert to fraction form
    2,810.84/4,214.87 = 1,771.67/x
  3. Step 3: Cross multiply
    2,810.84x = 4,214.87 × 1,771.67
  4. Step 4: Simplify right side
    2,810.84x = 7,467,367.06
  5. Step 5: Solve for x
    x = 7,467,367.06/2,810.84
  6. Step 6: Final answer
    x = 2,656.64

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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.