Home / 2,776.43-4,166.00-1,313.84

Finding the Fourth Proportional to 2,776.43, 4,166.00 and 1,313.84

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Solution

The fourth proportional to 2,776.43, 4,166.00 and 1,313.84 is: 1,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.43 : 4,166.00 = 1,313.84 : x
  2. Step 2: Convert to fraction form
    2,776.43/4,166.00 = 1,313.84/x
  3. Step 3: Cross multiply
    2,776.43x = 4,166.00 × 1,313.84
  4. Step 4: Simplify right side
    2,776.43x = 5,473,450.87
  5. Step 5: Solve for x
    x = 5,473,450.87/2,776.43
  6. Step 6: Final answer
    x = 1,971.40

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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.