Home / 2,427.36-3,349.80-1,379.31

Finding the Fourth Proportional to 2,427.36, 3,349.80 and 1,379.31

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Solution

The fourth proportional to 2,427.36, 3,349.80 and 1,379.31 is: 1,903.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.36 : 3,349.80 = 1,379.31 : x
  2. Step 2: Convert to fraction form
    2,427.36/3,349.80 = 1,379.31/x
  3. Step 3: Cross multiply
    2,427.36x = 3,349.80 × 1,379.31
  4. Step 4: Simplify right side
    2,427.36x = 4,620,412.64
  5. Step 5: Solve for x
    x = 4,620,412.64/2,427.36
  6. Step 6: Final answer
    x = 1,903.47

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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.