Home / 2,283.32-3,145.52-2,172.15

Finding the Fourth Proportional to 2,283.32, 3,145.52 and 2,172.15

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Solution

The fourth proportional to 2,283.32, 3,145.52 and 2,172.15 is: 2,992.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.32 : 3,145.52 = 2,172.15 : x
  2. Step 2: Convert to fraction form
    2,283.32/3,145.52 = 2,172.15/x
  3. Step 3: Cross multiply
    2,283.32x = 3,145.52 × 2,172.15
  4. Step 4: Simplify right side
    2,283.32x = 6,832,514.68
  5. Step 5: Solve for x
    x = 6,832,514.68/2,283.32
  6. Step 6: Final answer
    x = 2,992.36

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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.