Home / 3,132.21-4,322.88-3,029.64

Finding the Fourth Proportional to 3,132.21, 4,322.88 and 3,029.64

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Solution

The fourth proportional to 3,132.21, 4,322.88 and 3,029.64 is: 4,181.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.21 : 4,322.88 = 3,029.64 : x
  2. Step 2: Convert to fraction form
    3,132.21/4,322.88 = 3,029.64/x
  3. Step 3: Cross multiply
    3,132.21x = 4,322.88 × 3,029.64
  4. Step 4: Simplify right side
    3,132.21x = 13,096,770.16
  5. Step 5: Solve for x
    x = 13,096,770.16/3,132.21
  6. Step 6: Final answer
    x = 4,181.32

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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.