Home / 3,324.84-4,587.54-2,788.65

Finding the Fourth Proportional to 3,324.84, 4,587.54 and 2,788.65

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Solution

The fourth proportional to 3,324.84, 4,587.54 and 2,788.65 is: 3,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.84 : 4,587.54 = 2,788.65 : x
  2. Step 2: Convert to fraction form
    3,324.84/4,587.54 = 2,788.65/x
  3. Step 3: Cross multiply
    3,324.84x = 4,587.54 × 2,788.65
  4. Step 4: Simplify right side
    3,324.84x = 12,793,043.42
  5. Step 5: Solve for x
    x = 12,793,043.42/3,324.84
  6. Step 6: Final answer
    x = 3,847.72

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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.