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Finding the Fourth Proportional to 3,659.94, 5,489.91 and 1,713.51

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Solution

The fourth proportional to 3,659.94, 5,489.91 and 1,713.51 is: 2,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.94 : 5,489.91 = 1,713.51 : x
  2. Step 2: Convert to fraction form
    3,659.94/5,489.91 = 1,713.51/x
  3. Step 3: Cross multiply
    3,659.94x = 5,489.91 × 1,713.51
  4. Step 4: Simplify right side
    3,659.94x = 9,406,979.67
  5. Step 5: Solve for x
    x = 9,406,979.67/3,659.94
  6. Step 6: Final answer
    x = 2,570.26

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Similar ratio
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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.