Home / 2,293.84-3,165.49-1,245.91

Finding the Fourth Proportional to 2,293.84, 3,165.49 and 1,245.91

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Solution

The fourth proportional to 2,293.84, 3,165.49 and 1,245.91 is: 1,719.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.84 : 3,165.49 = 1,245.91 : x
  2. Step 2: Convert to fraction form
    2,293.84/3,165.49 = 1,245.91/x
  3. Step 3: Cross multiply
    2,293.84x = 3,165.49 × 1,245.91
  4. Step 4: Simplify right side
    2,293.84x = 3,943,915.65
  5. Step 5: Solve for x
    x = 3,943,915.65/2,293.84
  6. Step 6: Final answer
    x = 1,719.35

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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.