Home / 3,315.51-4,969.14-1,671.15

Finding the Fourth Proportional to 3,315.51, 4,969.14 and 1,671.15

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Solution

The fourth proportional to 3,315.51, 4,969.14 and 1,671.15 is: 2,504.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.51 : 4,969.14 = 1,671.15 : x
  2. Step 2: Convert to fraction form
    3,315.51/4,969.14 = 1,671.15/x
  3. Step 3: Cross multiply
    3,315.51x = 4,969.14 × 1,671.15
  4. Step 4: Simplify right side
    3,315.51x = 8,304,178.31
  5. Step 5: Solve for x
    x = 8,304,178.31/3,315.51
  6. Step 6: Final answer
    x = 2,504.65

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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.