Home / 3,459.19-5,192.89-2,729.28

Finding the Fourth Proportional to 3,459.19, 5,192.89 and 2,729.28

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Solution

The fourth proportional to 3,459.19, 5,192.89 and 2,729.28 is: 4,097.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.19 : 5,192.89 = 2,729.28 : x
  2. Step 2: Convert to fraction form
    3,459.19/5,192.89 = 2,729.28/x
  3. Step 3: Cross multiply
    3,459.19x = 5,192.89 × 2,729.28
  4. Step 4: Simplify right side
    3,459.19x = 14,172,850.82
  5. Step 5: Solve for x
    x = 14,172,850.82/3,459.19
  6. Step 6: Final answer
    x = 4,097.16

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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.