Home / 1,722.01-2,582.97-423.49

Finding the Fourth Proportional to 1,722.01, 2,582.97 and 423.49

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Solution

The fourth proportional to 1,722.01, 2,582.97 and 423.49 is: 635.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.01 : 2,582.97 = 423.49 : x
  2. Step 2: Convert to fraction form
    1,722.01/2,582.97 = 423.49/x
  3. Step 3: Cross multiply
    1,722.01x = 2,582.97 × 423.49
  4. Step 4: Simplify right side
    1,722.01x = 1,093,861.97
  5. Step 5: Solve for x
    x = 1,093,861.97/1,722.01
  6. Step 6: Final answer
    x = 635.22

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1.5x scale

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.