Home / 3,507.20-5,260.80-3,482.90

Finding the Fourth Proportional to 3,507.20, 5,260.80 and 3,482.90

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Solution

The fourth proportional to 3,507.20, 5,260.80 and 3,482.90 is: 5,224.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.20 : 5,260.80 = 3,482.90 : x
  2. Step 2: Convert to fraction form
    3,507.20/5,260.80 = 3,482.90/x
  3. Step 3: Cross multiply
    3,507.20x = 5,260.80 × 3,482.90
  4. Step 4: Simplify right side
    3,507.20x = 18,322,840.32
  5. Step 5: Solve for x
    x = 18,322,840.32/3,507.20
  6. Step 6: Final answer
    x = 5,224.35

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Half scale
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Similar ratio
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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.