Home / 2,232.15-3,078.23-1,335.74

Finding the Fourth Proportional to 2,232.15, 3,078.23 and 1,335.74

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Solution

The fourth proportional to 2,232.15, 3,078.23 and 1,335.74 is: 1,842.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.15 : 3,078.23 = 1,335.74 : x
  2. Step 2: Convert to fraction form
    2,232.15/3,078.23 = 1,335.74/x
  3. Step 3: Cross multiply
    2,232.15x = 3,078.23 × 1,335.74
  4. Step 4: Simplify right side
    2,232.15x = 4,111,714.43
  5. Step 5: Solve for x
    x = 4,111,714.43/2,232.15
  6. Step 6: Final answer
    x = 1,842.04

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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.