Home / 3,135.15-4,316.63-2,662.11

Finding the Fourth Proportional to 3,135.15, 4,316.63 and 2,662.11

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Solution

The fourth proportional to 3,135.15, 4,316.63 and 2,662.11 is: 3,665.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.15 : 4,316.63 = 2,662.11 : x
  2. Step 2: Convert to fraction form
    3,135.15/4,316.63 = 2,662.11/x
  3. Step 3: Cross multiply
    3,135.15x = 4,316.63 × 2,662.11
  4. Step 4: Simplify right side
    3,135.15x = 11,491,330.58
  5. Step 5: Solve for x
    x = 11,491,330.58/3,135.15
  6. Step 6: Final answer
    x = 3,665.32

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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.