Home / 1,623.88-2,233.87-1,423.81

Finding the Fourth Proportional to 1,623.88, 2,233.87 and 1,423.81

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Solution

The fourth proportional to 1,623.88, 2,233.87 and 1,423.81 is: 1,958.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.88 : 2,233.87 = 1,423.81 : x
  2. Step 2: Convert to fraction form
    1,623.88/2,233.87 = 1,423.81/x
  3. Step 3: Cross multiply
    1,623.88x = 2,233.87 × 1,423.81
  4. Step 4: Simplify right side
    1,623.88x = 3,180,597.30
  5. Step 5: Solve for x
    x = 3,180,597.30/1,623.88
  6. Step 6: Final answer
    x = 1,958.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.