Home / 2,522.91-3,784.76-1,289.65

Finding the Fourth Proportional to 2,522.91, 3,784.76 and 1,289.65

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Solution

The fourth proportional to 2,522.91, 3,784.76 and 1,289.65 is: 1,934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,522.91 : 3,784.76 = 1,289.65 : x
  2. Step 2: Convert to fraction form
    2,522.91/3,784.76 = 1,289.65/x
  3. Step 3: Cross multiply
    2,522.91x = 3,784.76 × 1,289.65
  4. Step 4: Simplify right side
    2,522.91x = 4,881,015.73
  5. Step 5: Solve for x
    x = 4,881,015.73/2,522.91
  6. Step 6: Final answer
    x = 1,934.68

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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.