Home / 3,872.06-5,808.40-2,322.64

Finding the Fourth Proportional to 3,872.06, 5,808.40 and 2,322.64

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Solution

The fourth proportional to 3,872.06, 5,808.40 and 2,322.64 is: 3,484.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.06 : 5,808.40 = 2,322.64 : x
  2. Step 2: Convert to fraction form
    3,872.06/5,808.40 = 2,322.64/x
  3. Step 3: Cross multiply
    3,872.06x = 5,808.40 × 2,322.64
  4. Step 4: Simplify right side
    3,872.06x = 13,490,822.18
  5. Step 5: Solve for x
    x = 13,490,822.18/3,872.06
  6. Step 6: Final answer
    x = 3,484.15

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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.