Home / 2,816.36-4,221.61-1,060.16

Finding the Fourth Proportional to 2,816.36, 4,221.61 and 1,060.16

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Solution

The fourth proportional to 2,816.36, 4,221.61 and 1,060.16 is: 1,589.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.36 : 4,221.61 = 1,060.16 : x
  2. Step 2: Convert to fraction form
    2,816.36/4,221.61 = 1,060.16/x
  3. Step 3: Cross multiply
    2,816.36x = 4,221.61 × 1,060.16
  4. Step 4: Simplify right side
    2,816.36x = 4,475,555.65
  5. Step 5: Solve for x
    x = 4,475,555.65/2,816.36
  6. Step 6: Final answer
    x = 1,589.13

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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.