Home / 3,418.65-5,125.77-1,077.93

Finding the Fourth Proportional to 3,418.65, 5,125.77 and 1,077.93

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Solution

The fourth proportional to 3,418.65, 5,125.77 and 1,077.93 is: 1,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.65 : 5,125.77 = 1,077.93 : x
  2. Step 2: Convert to fraction form
    3,418.65/5,125.77 = 1,077.93/x
  3. Step 3: Cross multiply
    3,418.65x = 5,125.77 × 1,077.93
  4. Step 4: Simplify right side
    3,418.65x = 5,525,221.26
  5. Step 5: Solve for x
    x = 5,525,221.26/3,418.65
  6. Step 6: Final answer
    x = 1,616.20

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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.