Home / 2,272.15-3,136.62-1,712.85

Finding the Fourth Proportional to 2,272.15, 3,136.62 and 1,712.85

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Solution

The fourth proportional to 2,272.15, 3,136.62 and 1,712.85 is: 2,364.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.15 : 3,136.62 = 1,712.85 : x
  2. Step 2: Convert to fraction form
    2,272.15/3,136.62 = 1,712.85/x
  3. Step 3: Cross multiply
    2,272.15x = 3,136.62 × 1,712.85
  4. Step 4: Simplify right side
    2,272.15x = 5,372,554.23
  5. Step 5: Solve for x
    x = 5,372,554.23/2,272.15
  6. Step 6: Final answer
    x = 2,364.52

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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.