Home / 2,412.90-3,329.67-1,350.76

Finding the Fourth Proportional to 2,412.90, 3,329.67 and 1,350.76

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Solution

The fourth proportional to 2,412.90, 3,329.67 and 1,350.76 is: 1,863.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.90 : 3,329.67 = 1,350.76 : x
  2. Step 2: Convert to fraction form
    2,412.90/3,329.67 = 1,350.76/x
  3. Step 3: Cross multiply
    2,412.90x = 3,329.67 × 1,350.76
  4. Step 4: Simplify right side
    2,412.90x = 4,497,585.05
  5. Step 5: Solve for x
    x = 4,497,585.05/2,412.90
  6. Step 6: Final answer
    x = 1,863.97

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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.