Home / 2,427.39-3,349.98-1,379.64

Finding the Fourth Proportional to 2,427.39, 3,349.98 and 1,379.64

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Solution

The fourth proportional to 2,427.39, 3,349.98 and 1,379.64 is: 1,904.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.39 : 3,349.98 = 1,379.64 : x
  2. Step 2: Convert to fraction form
    2,427.39/3,349.98 = 1,379.64/x
  3. Step 3: Cross multiply
    2,427.39x = 3,349.98 × 1,379.64
  4. Step 4: Simplify right side
    2,427.39x = 4,621,766.41
  5. Step 5: Solve for x
    x = 4,621,766.41/2,427.39
  6. Step 6: Final answer
    x = 1,904.01

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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.