Home / 1,623.35-2,435.16-1,189.99

Finding the Fourth Proportional to 1,623.35, 2,435.16 and 1,189.99

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Solution

The fourth proportional to 1,623.35, 2,435.16 and 1,189.99 is: 1,785.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.35 : 2,435.16 = 1,189.99 : x
  2. Step 2: Convert to fraction form
    1,623.35/2,435.16 = 1,189.99/x
  3. Step 3: Cross multiply
    1,623.35x = 2,435.16 × 1,189.99
  4. Step 4: Simplify right side
    1,623.35x = 2,897,809.96
  5. Step 5: Solve for x
    x = 2,897,809.96/1,623.35
  6. Step 6: Final answer
    x = 1,785.09

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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.