Home / 3,165.80-4,752.60-1,995.80

Finding the Fourth Proportional to 3,165.80, 4,752.60 and 1,995.80

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Solution

The fourth proportional to 3,165.80, 4,752.60 and 1,995.80 is: 2,996.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.80 : 4,752.60 = 1,995.80 : x
  2. Step 2: Convert to fraction form
    3,165.80/4,752.60 = 1,995.80/x
  3. Step 3: Cross multiply
    3,165.80x = 4,752.60 × 1,995.80
  4. Step 4: Simplify right side
    3,165.80x = 9,485,239.08
  5. Step 5: Solve for x
    x = 9,485,239.08/3,165.80
  6. Step 6: Final answer
    x = 2,996.16

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1.5x scale

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.