Home / 1,623.45-2,430.30-1,404.75

Finding the Fourth Proportional to 1,623.45, 2,430.30 and 1,404.75

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Solution

The fourth proportional to 1,623.45, 2,430.30 and 1,404.75 is: 2,102.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.45 : 2,430.30 = 1,404.75 : x
  2. Step 2: Convert to fraction form
    1,623.45/2,430.30 = 1,404.75/x
  3. Step 3: Cross multiply
    1,623.45x = 2,430.30 × 1,404.75
  4. Step 4: Simplify right side
    1,623.45x = 3,413,963.93
  5. Step 5: Solve for x
    x = 3,413,963.93/1,623.45
  6. Step 6: Final answer
    x = 2,102.91

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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.