Home / 2,412.96-3,329.88-1,365.12

Finding the Fourth Proportional to 2,412.96, 3,329.88 and 1,365.12

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Solution

The fourth proportional to 2,412.96, 3,329.88 and 1,365.12 is: 1,883.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.96 : 3,329.88 = 1,365.12 : x
  2. Step 2: Convert to fraction form
    2,412.96/3,329.88 = 1,365.12/x
  3. Step 3: Cross multiply
    2,412.96x = 3,329.88 × 1,365.12
  4. Step 4: Simplify right side
    2,412.96x = 4,545,685.79
  5. Step 5: Solve for x
    x = 4,545,685.79/2,412.96
  6. Step 6: Final answer
    x = 1,883.86

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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.