Home / 1,623.37-2,435.10-1,103.80

Finding the Fourth Proportional to 1,623.37, 2,435.10 and 1,103.80

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Solution

The fourth proportional to 1,623.37, 2,435.10 and 1,103.80 is: 1,655.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.37 : 2,435.10 = 1,103.80 : x
  2. Step 2: Convert to fraction form
    1,623.37/2,435.10 = 1,103.80/x
  3. Step 3: Cross multiply
    1,623.37x = 2,435.10 × 1,103.80
  4. Step 4: Simplify right side
    1,623.37x = 2,687,863.38
  5. Step 5: Solve for x
    x = 2,687,863.38/1,623.37
  6. Step 6: Final answer
    x = 1,655.73

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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.