Home / 2,809.07-4,207.22-1,711.01

Finding the Fourth Proportional to 2,809.07, 4,207.22 and 1,711.01

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Solution

The fourth proportional to 2,809.07, 4,207.22 and 1,711.01 is: 2,562.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809.07 : 4,207.22 = 1,711.01 : x
  2. Step 2: Convert to fraction form
    2,809.07/4,207.22 = 1,711.01/x
  3. Step 3: Cross multiply
    2,809.07x = 4,207.22 × 1,711.01
  4. Step 4: Simplify right side
    2,809.07x = 7,198,595.49
  5. Step 5: Solve for x
    x = 7,198,595.49/2,809.07
  6. Step 6: Final answer
    x = 2,562.63

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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.