Home / 2,458.67-3,682.49-1,909.19

Finding the Fourth Proportional to 2,458.67, 3,682.49 and 1,909.19

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Solution

The fourth proportional to 2,458.67, 3,682.49 and 1,909.19 is: 2,859.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.67 : 3,682.49 = 1,909.19 : x
  2. Step 2: Convert to fraction form
    2,458.67/3,682.49 = 1,909.19/x
  3. Step 3: Cross multiply
    2,458.67x = 3,682.49 × 1,909.19
  4. Step 4: Simplify right side
    2,458.67x = 7,030,545.12
  5. Step 5: Solve for x
    x = 7,030,545.12/2,458.67
  6. Step 6: Final answer
    x = 2,859.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.