Home / 2,376.12-3,565.20-1,222.68

Finding the Fourth Proportional to 2,376.12, 3,565.20 and 1,222.68

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Solution

The fourth proportional to 2,376.12, 3,565.20 and 1,222.68 is: 1,834.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.12 : 3,565.20 = 1,222.68 : x
  2. Step 2: Convert to fraction form
    2,376.12/3,565.20 = 1,222.68/x
  3. Step 3: Cross multiply
    2,376.12x = 3,565.20 × 1,222.68
  4. Step 4: Simplify right side
    2,376.12x = 4,359,098.74
  5. Step 5: Solve for x
    x = 4,359,098.74/2,376.12
  6. Step 6: Final answer
    x = 1,834.54

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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.