Home / 3,315.94-4,969.26-2,619.58

Finding the Fourth Proportional to 3,315.94, 4,969.26 and 2,619.58

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Solution

The fourth proportional to 3,315.94, 4,969.26 and 2,619.58 is: 3,925.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.94 : 4,969.26 = 2,619.58 : x
  2. Step 2: Convert to fraction form
    3,315.94/4,969.26 = 2,619.58/x
  3. Step 3: Cross multiply
    3,315.94x = 4,969.26 × 2,619.58
  4. Step 4: Simplify right side
    3,315.94x = 13,017,374.11
  5. Step 5: Solve for x
    x = 13,017,374.11/3,315.94
  6. Step 6: Final answer
    x = 3,925.70

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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.