Home / 1,722.85-2,581.03-1,703.68

Finding the Fourth Proportional to 1,722.85, 2,581.03 and 1,703.68

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Solution

The fourth proportional to 1,722.85, 2,581.03 and 1,703.68 is: 2,552.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.85 : 2,581.03 = 1,703.68 : x
  2. Step 2: Convert to fraction form
    1,722.85/2,581.03 = 1,703.68/x
  3. Step 3: Cross multiply
    1,722.85x = 2,581.03 × 1,703.68
  4. Step 4: Simplify right side
    1,722.85x = 4,397,227.77
  5. Step 5: Solve for x
    x = 4,397,227.77/1,722.85
  6. Step 6: Final answer
    x = 2,552.31

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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.