Home / 2,341.82-3,231.58-1,346.40

Finding the Fourth Proportional to 2,341.82, 3,231.58 and 1,346.40

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Solution

The fourth proportional to 2,341.82, 3,231.58 and 1,346.40 is: 1,857.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.82 : 3,231.58 = 1,346.40 : x
  2. Step 2: Convert to fraction form
    2,341.82/3,231.58 = 1,346.40/x
  3. Step 3: Cross multiply
    2,341.82x = 3,231.58 × 1,346.40
  4. Step 4: Simplify right side
    2,341.82x = 4,350,999.31
  5. Step 5: Solve for x
    x = 4,350,999.31/2,341.82
  6. Step 6: Final answer
    x = 1,857.96

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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.