Home / 2,352.12-3,245.90-1,357.36

Finding the Fourth Proportional to 2,352.12, 3,245.90 and 1,357.36

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Solution

The fourth proportional to 2,352.12, 3,245.90 and 1,357.36 is: 1,873.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,352.12 : 3,245.90 = 1,357.36 : x
  2. Step 2: Convert to fraction form
    2,352.12/3,245.90 = 1,357.36/x
  3. Step 3: Cross multiply
    2,352.12x = 3,245.90 × 1,357.36
  4. Step 4: Simplify right side
    2,352.12x = 4,405,854.82
  5. Step 5: Solve for x
    x = 4,405,854.82/2,352.12
  6. Step 6: Final answer
    x = 1,873.14

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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.