Home / 3,731.70-5,587.80-1,995.06

Finding the Fourth Proportional to 3,731.70, 5,587.80 and 1,995.06

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Solution

The fourth proportional to 3,731.70, 5,587.80 and 1,995.06 is: 2,987.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.70 : 5,587.80 = 1,995.06 : x
  2. Step 2: Convert to fraction form
    3,731.70/5,587.80 = 1,995.06/x
  3. Step 3: Cross multiply
    3,731.70x = 5,587.80 × 1,995.06
  4. Step 4: Simplify right side
    3,731.70x = 11,147,996.27
  5. Step 5: Solve for x
    x = 11,147,996.27/3,731.70
  6. Step 6: Final answer
    x = 2,987.38

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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.