Home / 1,623.75-2,435.49-469.50

Finding the Fourth Proportional to 1,623.75, 2,435.49 and 469.50

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Solution

The fourth proportional to 1,623.75, 2,435.49 and 469.50 is: 704.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.75 : 2,435.49 = 469.50 : x
  2. Step 2: Convert to fraction form
    1,623.75/2,435.49 = 469.50/x
  3. Step 3: Cross multiply
    1,623.75x = 2,435.49 × 469.50
  4. Step 4: Simplify right side
    1,623.75x = 1,143,462.56
  5. Step 5: Solve for x
    x = 1,143,462.56/1,623.75
  6. Step 6: Final answer
    x = 704.21

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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.