Home / 3,977.55-5,492.16-3,230.34

Finding the Fourth Proportional to 3,977.55, 5,492.16 and 3,230.34

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Solution

The fourth proportional to 3,977.55, 5,492.16 and 3,230.34 is: 4,460.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.55 : 5,492.16 = 3,230.34 : x
  2. Step 2: Convert to fraction form
    3,977.55/5,492.16 = 3,230.34/x
  3. Step 3: Cross multiply
    3,977.55x = 5,492.16 × 3,230.34
  4. Step 4: Simplify right side
    3,977.55x = 17,741,544.13
  5. Step 5: Solve for x
    x = 17,741,544.13/3,977.55
  6. Step 6: Final answer
    x = 4,460.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.