Home / 3,427.29-4,729.32-1,935

Finding the Fourth Proportional to 3,427.29, 4,729.32 and 1,935

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Solution

The fourth proportional to 3,427.29, 4,729.32 and 1,935 is: 2,670.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.29 : 4,729.32 = 1,935 : x
  2. Step 2: Convert to fraction form
    3,427.29/4,729.32 = 1,935/x
  3. Step 3: Cross multiply
    3,427.29x = 4,729.32 × 1,935
  4. Step 4: Simplify right side
    3,427.29x = 9,151,234.20
  5. Step 5: Solve for x
    x = 9,151,234.20/3,427.29
  6. Step 6: Final answer
    x = 2,670.11

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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.