Home / 1,623.18-2,423.78-1,424.04

Finding the Fourth Proportional to 1,623.18, 2,423.78 and 1,424.04

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Solution

The fourth proportional to 1,623.18, 2,423.78 and 1,424.04 is: 2,126.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.18 : 2,423.78 = 1,424.04 : x
  2. Step 2: Convert to fraction form
    1,623.18/2,423.78 = 1,424.04/x
  3. Step 3: Cross multiply
    1,623.18x = 2,423.78 × 1,424.04
  4. Step 4: Simplify right side
    1,623.18x = 3,451,559.67
  5. Step 5: Solve for x
    x = 3,451,559.67/1,623.18
  6. Step 6: Final answer
    x = 2,126.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.