Home / 2,310.84-3,467.52-2,145.60

Finding the Fourth Proportional to 2,310.84, 3,467.52 and 2,145.60

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Solution

The fourth proportional to 2,310.84, 3,467.52 and 2,145.60 is: 3,219.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.84 : 3,467.52 = 2,145.60 : x
  2. Step 2: Convert to fraction form
    2,310.84/3,467.52 = 2,145.60/x
  3. Step 3: Cross multiply
    2,310.84x = 3,467.52 × 2,145.60
  4. Step 4: Simplify right side
    2,310.84x = 7,439,910.91
  5. Step 5: Solve for x
    x = 7,439,910.91/2,310.84
  6. Step 6: Final answer
    x = 3,219.57

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1.5x scale

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.