Home / 2,356.70-3,249.66-1,611.08

Finding the Fourth Proportional to 2,356.70, 3,249.66 and 1,611.08

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Solution

The fourth proportional to 2,356.70, 3,249.66 and 1,611.08 is: 2,221.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.70 : 3,249.66 = 1,611.08 : x
  2. Step 2: Convert to fraction form
    2,356.70/3,249.66 = 1,611.08/x
  3. Step 3: Cross multiply
    2,356.70x = 3,249.66 × 1,611.08
  4. Step 4: Simplify right side
    2,356.70x = 5,235,462.23
  5. Step 5: Solve for x
    x = 5,235,462.23/2,356.70
  6. Step 6: Final answer
    x = 2,221.52

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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.