Home / 2,226.60-3,341.90-1,187.46

Finding the Fourth Proportional to 2,226.60, 3,341.90 and 1,187.46

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Solution

The fourth proportional to 2,226.60, 3,341.90 and 1,187.46 is: 1,782.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.60 : 3,341.90 = 1,187.46 : x
  2. Step 2: Convert to fraction form
    2,226.60/3,341.90 = 1,187.46/x
  3. Step 3: Cross multiply
    2,226.60x = 3,341.90 × 1,187.46
  4. Step 4: Simplify right side
    2,226.60x = 3,968,366.64
  5. Step 5: Solve for x
    x = 3,968,366.64/2,226.60
  6. Step 6: Final answer
    x = 1,782.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.