Home / 2,315.84-3,193.44-1,725.44

Finding the Fourth Proportional to 2,315.84, 3,193.44 and 1,725.44

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Solution

The fourth proportional to 2,315.84, 3,193.44 and 1,725.44 is: 2,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.84 : 3,193.44 = 1,725.44 : x
  2. Step 2: Convert to fraction form
    2,315.84/3,193.44 = 1,725.44/x
  3. Step 3: Cross multiply
    2,315.84x = 3,193.44 × 1,725.44
  4. Step 4: Simplify right side
    2,315.84x = 5,510,089.11
  5. Step 5: Solve for x
    x = 5,510,089.11/2,315.84
  6. Step 6: Final answer
    x = 2,379.30

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1.5x scale

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.