Home / 4,162.80-6,241.92-1,240.68

Finding the Fourth Proportional to 4,162.80, 6,241.92 and 1,240.68

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Solution

The fourth proportional to 4,162.80, 6,241.92 and 1,240.68 is: 1,860.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,162.80 : 6,241.92 = 1,240.68 : x
  2. Step 2: Convert to fraction form
    4,162.80/6,241.92 = 1,240.68/x
  3. Step 3: Cross multiply
    4,162.80x = 6,241.92 × 1,240.68
  4. Step 4: Simplify right side
    4,162.80x = 7,744,225.31
  5. Step 5: Solve for x
    x = 7,744,225.31/4,162.80
  6. Step 6: Final answer
    x = 1,860.34

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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.