Home / 3,284.64-4,533.84-3,175.20

Finding the Fourth Proportional to 3,284.64, 4,533.84 and 3,175.20

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Solution

The fourth proportional to 3,284.64, 4,533.84 and 3,175.20 is: 4,382.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.64 : 4,533.84 = 3,175.20 : x
  2. Step 2: Convert to fraction form
    3,284.64/4,533.84 = 3,175.20/x
  3. Step 3: Cross multiply
    3,284.64x = 4,533.84 × 3,175.20
  4. Step 4: Simplify right side
    3,284.64x = 14,395,848.77
  5. Step 5: Solve for x
    x = 14,395,848.77/3,284.64
  6. Step 6: Final answer
    x = 4,382.78

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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.