Home / 2,380.77-3,285.30-1,884.60

Finding the Fourth Proportional to 2,380.77, 3,285.30 and 1,884.60

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Solution

The fourth proportional to 2,380.77, 3,285.30 and 1,884.60 is: 2,600.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.77 : 3,285.30 = 1,884.60 : x
  2. Step 2: Convert to fraction form
    2,380.77/3,285.30 = 1,884.60/x
  3. Step 3: Cross multiply
    2,380.77x = 3,285.30 × 1,884.60
  4. Step 4: Simplify right side
    2,380.77x = 6,191,476.38
  5. Step 5: Solve for x
    x = 6,191,476.38/2,380.77
  6. Step 6: Final answer
    x = 2,600.62

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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.