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Finding the Fourth Proportional to 3,507.39, 5,253.79 and 1,659.98

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Solution

The fourth proportional to 3,507.39, 5,253.79 and 1,659.98 is: 2,486.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.39 : 5,253.79 = 1,659.98 : x
  2. Step 2: Convert to fraction form
    3,507.39/5,253.79 = 1,659.98/x
  3. Step 3: Cross multiply
    3,507.39x = 5,253.79 × 1,659.98
  4. Step 4: Simplify right side
    3,507.39x = 8,721,186.32
  5. Step 5: Solve for x
    x = 8,721,186.32/3,507.39
  6. Step 6: Final answer
    x = 2,486.52

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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.