Home / 2,896.20-3,995.64-1,776.60

Finding the Fourth Proportional to 2,896.20, 3,995.64 and 1,776.60

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Solution

The fourth proportional to 2,896.20, 3,995.64 and 1,776.60 is: 2,451.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.20 : 3,995.64 = 1,776.60 : x
  2. Step 2: Convert to fraction form
    2,896.20/3,995.64 = 1,776.60/x
  3. Step 3: Cross multiply
    2,896.20x = 3,995.64 × 1,776.60
  4. Step 4: Simplify right side
    2,896.20x = 7,098,654.02
  5. Step 5: Solve for x
    x = 7,098,654.02/2,896.20
  6. Step 6: Final answer
    x = 2,451.02

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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.