Home / 3,259.38-4,499.46-2,140.32

Finding the Fourth Proportional to 3,259.38, 4,499.46 and 2,140.32

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Solution

The fourth proportional to 3,259.38, 4,499.46 and 2,140.32 is: 2,954.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.38 : 4,499.46 = 2,140.32 : x
  2. Step 2: Convert to fraction form
    3,259.38/4,499.46 = 2,140.32/x
  3. Step 3: Cross multiply
    3,259.38x = 4,499.46 × 2,140.32
  4. Step 4: Simplify right side
    3,259.38x = 9,630,284.23
  5. Step 5: Solve for x
    x = 9,630,284.23/3,259.38
  6. Step 6: Final answer
    x = 2,954.64

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Half scale
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Double scale
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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.