Home / 3,965.84-5,470.56-2,568.56

Finding the Fourth Proportional to 3,965.84, 5,470.56 and 2,568.56

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Solution

The fourth proportional to 3,965.84, 5,470.56 and 2,568.56 is: 3,543.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.84 : 5,470.56 = 2,568.56 : x
  2. Step 2: Convert to fraction form
    3,965.84/5,470.56 = 2,568.56/x
  3. Step 3: Cross multiply
    3,965.84x = 5,470.56 × 2,568.56
  4. Step 4: Simplify right side
    3,965.84x = 14,051,461.59
  5. Step 5: Solve for x
    x = 14,051,461.59/3,965.84
  6. Step 6: Final answer
    x = 3,543.12

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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.