Home / 2,412.86-3,617.87-1,316.93

Finding the Fourth Proportional to 2,412.86, 3,617.87 and 1,316.93

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Solution

The fourth proportional to 2,412.86, 3,617.87 and 1,316.93 is: 1,974.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.86 : 3,617.87 = 1,316.93 : x
  2. Step 2: Convert to fraction form
    2,412.86/3,617.87 = 1,316.93/x
  3. Step 3: Cross multiply
    2,412.86x = 3,617.87 × 1,316.93
  4. Step 4: Simplify right side
    2,412.86x = 4,764,456.87
  5. Step 5: Solve for x
    x = 4,764,456.87/2,412.86
  6. Step 6: Final answer
    x = 1,974.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.