Home / 3,427.29-4,729.62-1,935.12

Finding the Fourth Proportional to 3,427.29, 4,729.62 and 1,935.12

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Solution

The fourth proportional to 3,427.29, 4,729.62 and 1,935.12 is: 2,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.29 : 4,729.62 = 1,935.12 : x
  2. Step 2: Convert to fraction form
    3,427.29/4,729.62 = 1,935.12/x
  3. Step 3: Cross multiply
    3,427.29x = 4,729.62 × 1,935.12
  4. Step 4: Simplify right side
    3,427.29x = 9,152,380.64
  5. Step 5: Solve for x
    x = 9,152,380.64/3,427.29
  6. Step 6: Final answer
    x = 2,670.44

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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.