Home / 2,427.08-3,349.42-1,379.12

Finding the Fourth Proportional to 2,427.08, 3,349.42 and 1,379.12

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Solution

The fourth proportional to 2,427.08, 3,349.42 and 1,379.12 is: 1,903.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.08 : 3,349.42 = 1,379.12 : x
  2. Step 2: Convert to fraction form
    2,427.08/3,349.42 = 1,379.12/x
  3. Step 3: Cross multiply
    2,427.08x = 3,349.42 × 1,379.12
  4. Step 4: Simplify right side
    2,427.08x = 4,619,252.11
  5. Step 5: Solve for x
    x = 4,619,252.11/2,427.08
  6. Step 6: Final answer
    x = 1,903.21

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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.