Home / 2,619.86-3,931.14-1,160.04

Finding the Fourth Proportional to 2,619.86, 3,931.14 and 1,160.04

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Solution

The fourth proportional to 2,619.86, 3,931.14 and 1,160.04 is: 1,740.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.86 : 3,931.14 = 1,160.04 : x
  2. Step 2: Convert to fraction form
    2,619.86/3,931.14 = 1,160.04/x
  3. Step 3: Cross multiply
    2,619.86x = 3,931.14 × 1,160.04
  4. Step 4: Simplify right side
    2,619.86x = 4,560,279.65
  5. Step 5: Solve for x
    x = 4,560,279.65/2,619.86
  6. Step 6: Final answer
    x = 1,740.66

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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.