Home / 2,226.12-3,071.76-1,341.60

Finding the Fourth Proportional to 2,226.12, 3,071.76 and 1,341.60

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Solution

The fourth proportional to 2,226.12, 3,071.76 and 1,341.60 is: 1,851.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.12 : 3,071.76 = 1,341.60 : x
  2. Step 2: Convert to fraction form
    2,226.12/3,071.76 = 1,341.60/x
  3. Step 3: Cross multiply
    2,226.12x = 3,071.76 × 1,341.60
  4. Step 4: Simplify right side
    2,226.12x = 4,121,073.22
  5. Step 5: Solve for x
    x = 4,121,073.22/2,226.12
  6. Step 6: Final answer
    x = 1,851.24

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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.