Home / 3,623.55-5,435.46-1,125.00

Finding the Fourth Proportional to 3,623.55, 5,435.46 and 1,125.00

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Solution

The fourth proportional to 3,623.55, 5,435.46 and 1,125.00 is: 1,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.55 : 5,435.46 = 1,125.00 : x
  2. Step 2: Convert to fraction form
    3,623.55/5,435.46 = 1,125.00/x
  3. Step 3: Cross multiply
    3,623.55x = 5,435.46 × 1,125.00
  4. Step 4: Simplify right side
    3,623.55x = 6,114,876.34
  5. Step 5: Solve for x
    x = 6,114,876.34/3,623.55
  6. Step 6: Final answer
    x = 1,687.54

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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.