Home / 3,638.98-5,458.93-1,173.74

Finding the Fourth Proportional to 3,638.98, 5,458.93 and 1,173.74

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Solution

The fourth proportional to 3,638.98, 5,458.93 and 1,173.74 is: 1,760.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.98 : 5,458.93 = 1,173.74 : x
  2. Step 2: Convert to fraction form
    3,638.98/5,458.93 = 1,173.74/x
  3. Step 3: Cross multiply
    3,638.98x = 5,458.93 × 1,173.74
  4. Step 4: Simplify right side
    3,638.98x = 6,407,375.21
  5. Step 5: Solve for x
    x = 6,407,375.21/3,638.98
  6. Step 6: Final answer
    x = 1,760.76

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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.