Home / 2,341.68-3,231.28-1,346.76

Finding the Fourth Proportional to 2,341.68, 3,231.28 and 1,346.76

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Solution

The fourth proportional to 2,341.68, 3,231.28 and 1,346.76 is: 1,858.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.68 : 3,231.28 = 1,346.76 : x
  2. Step 2: Convert to fraction form
    2,341.68/3,231.28 = 1,346.76/x
  3. Step 3: Cross multiply
    2,341.68x = 3,231.28 × 1,346.76
  4. Step 4: Simplify right side
    2,341.68x = 4,351,758.65
  5. Step 5: Solve for x
    x = 4,351,758.65/2,341.68
  6. Step 6: Final answer
    x = 1,858.39

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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.