Home / 2,380.83-3,285.64-1,332.89

Finding the Fourth Proportional to 2,380.83, 3,285.64 and 1,332.89

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Solution

The fourth proportional to 2,380.83, 3,285.64 and 1,332.89 is: 1,839.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.83 : 3,285.64 = 1,332.89 : x
  2. Step 2: Convert to fraction form
    2,380.83/3,285.64 = 1,332.89/x
  3. Step 3: Cross multiply
    2,380.83x = 3,285.64 × 1,332.89
  4. Step 4: Simplify right side
    2,380.83x = 4,379,396.70
  5. Step 5: Solve for x
    x = 4,379,396.70/2,380.83
  6. Step 6: Final answer
    x = 1,839.44

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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.