Home / 3,129.32-4,322.64-2,546.94

Finding the Fourth Proportional to 3,129.32, 4,322.64 and 2,546.94

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Solution

The fourth proportional to 3,129.32, 4,322.64 and 2,546.94 is: 3,518.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129.32 : 4,322.64 = 2,546.94 : x
  2. Step 2: Convert to fraction form
    3,129.32/4,322.64 = 2,546.94/x
  3. Step 3: Cross multiply
    3,129.32x = 4,322.64 × 2,546.94
  4. Step 4: Simplify right side
    3,129.32x = 11,009,504.72
  5. Step 5: Solve for x
    x = 11,009,504.72/3,129.32
  6. Step 6: Final answer
    x = 3,518.18

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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.