Home / 3,459.09-4,773.12-1,966.71

Finding the Fourth Proportional to 3,459.09, 4,773.12 and 1,966.71

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Solution

The fourth proportional to 3,459.09, 4,773.12 and 1,966.71 is: 2,713.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.09 : 4,773.12 = 1,966.71 : x
  2. Step 2: Convert to fraction form
    3,459.09/4,773.12 = 1,966.71/x
  3. Step 3: Cross multiply
    3,459.09x = 4,773.12 × 1,966.71
  4. Step 4: Simplify right side
    3,459.09x = 9,387,342.84
  5. Step 5: Solve for x
    x = 9,387,342.84/3,459.09
  6. Step 6: Final answer
    x = 2,713.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.