Home / 2,421.75-3,340.77-1,582.94

Finding the Fourth Proportional to 2,421.75, 3,340.77 and 1,582.94

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Solution

The fourth proportional to 2,421.75, 3,340.77 and 1,582.94 is: 2,183.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.75 : 3,340.77 = 1,582.94 : x
  2. Step 2: Convert to fraction form
    2,421.75/3,340.77 = 1,582.94/x
  3. Step 3: Cross multiply
    2,421.75x = 3,340.77 × 1,582.94
  4. Step 4: Simplify right side
    2,421.75x = 5,288,234.07
  5. Step 5: Solve for x
    x = 5,288,234.07/2,421.75
  6. Step 6: Final answer
    x = 2,183.65

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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.