Home / 2,232.14-3,079.96-1,392.57

Finding the Fourth Proportional to 2,232.14, 3,079.96 and 1,392.57

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Solution

The fourth proportional to 2,232.14, 3,079.96 and 1,392.57 is: 1,921.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.14 : 3,079.96 = 1,392.57 : x
  2. Step 2: Convert to fraction form
    2,232.14/3,079.96 = 1,392.57/x
  3. Step 3: Cross multiply
    2,232.14x = 3,079.96 × 1,392.57
  4. Step 4: Simplify right side
    2,232.14x = 4,289,056.42
  5. Step 5: Solve for x
    x = 4,289,056.42/2,232.14
  6. Step 6: Final answer
    x = 1,921.50

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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.