Home / 3,208.75-4,428.02-1,792.46

Finding the Fourth Proportional to 3,208.75, 4,428.02 and 1,792.46

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Solution

The fourth proportional to 3,208.75, 4,428.02 and 1,792.46 is: 2,473.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.75 : 4,428.02 = 1,792.46 : x
  2. Step 2: Convert to fraction form
    3,208.75/4,428.02 = 1,792.46/x
  3. Step 3: Cross multiply
    3,208.75x = 4,428.02 × 1,792.46
  4. Step 4: Simplify right side
    3,208.75x = 7,937,031.07
  5. Step 5: Solve for x
    x = 7,937,031.07/3,208.75
  6. Step 6: Final answer
    x = 2,473.56

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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.