Home / 2,352.62-3,246.65-1,290.37

Finding the Fourth Proportional to 2,352.62, 3,246.65 and 1,290.37

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Solution

The fourth proportional to 2,352.62, 3,246.65 and 1,290.37 is: 1,780.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,352.62 : 3,246.65 = 1,290.37 : x
  2. Step 2: Convert to fraction form
    2,352.62/3,246.65 = 1,290.37/x
  3. Step 3: Cross multiply
    2,352.62x = 3,246.65 × 1,290.37
  4. Step 4: Simplify right side
    2,352.62x = 4,189,379.76
  5. Step 5: Solve for x
    x = 4,189,379.76/2,352.62
  6. Step 6: Final answer
    x = 1,780.73

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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.