Home / 2,964.08-4,090.80-1,785.80

Finding the Fourth Proportional to 2,964.08, 4,090.80 and 1,785.80

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Solution

The fourth proportional to 2,964.08, 4,090.80 and 1,785.80 is: 2,464.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.08 : 4,090.80 = 1,785.80 : x
  2. Step 2: Convert to fraction form
    2,964.08/4,090.80 = 1,785.80/x
  3. Step 3: Cross multiply
    2,964.08x = 4,090.80 × 1,785.80
  4. Step 4: Simplify right side
    2,964.08x = 7,305,350.64
  5. Step 5: Solve for x
    x = 7,305,350.64/2,964.08
  6. Step 6: Final answer
    x = 2,464.63

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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.