Home / 3,487.51-5,231.82-1,146.83

Finding the Fourth Proportional to 3,487.51, 5,231.82 and 1,146.83

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Solution

The fourth proportional to 3,487.51, 5,231.82 and 1,146.83 is: 1,720.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.51 : 5,231.82 = 1,146.83 : x
  2. Step 2: Convert to fraction form
    3,487.51/5,231.82 = 1,146.83/x
  3. Step 3: Cross multiply
    3,487.51x = 5,231.82 × 1,146.83
  4. Step 4: Simplify right side
    3,487.51x = 6,000,008.13
  5. Step 5: Solve for x
    x = 6,000,008.13/3,487.51
  6. Step 6: Final answer
    x = 1,720.43

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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.