Home / 3,621.37-5,431.94-1,156.34

Finding the Fourth Proportional to 3,621.37, 5,431.94 and 1,156.34

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Solution

The fourth proportional to 3,621.37, 5,431.94 and 1,156.34 is: 1,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.37 : 5,431.94 = 1,156.34 : x
  2. Step 2: Convert to fraction form
    3,621.37/5,431.94 = 1,156.34/x
  3. Step 3: Cross multiply
    3,621.37x = 5,431.94 × 1,156.34
  4. Step 4: Simplify right side
    3,621.37x = 6,281,169.50
  5. Step 5: Solve for x
    x = 6,281,169.50/3,621.37
  6. Step 6: Final answer
    x = 1,734.47

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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.