Home / 3,976.47-5,485.10-2,559.65

Finding the Fourth Proportional to 3,976.47, 5,485.10 and 2,559.65

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Solution

The fourth proportional to 3,976.47, 5,485.10 and 2,559.65 is: 3,530.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.47 : 5,485.10 = 2,559.65 : x
  2. Step 2: Convert to fraction form
    3,976.47/5,485.10 = 2,559.65/x
  3. Step 3: Cross multiply
    3,976.47x = 5,485.10 × 2,559.65
  4. Step 4: Simplify right side
    3,976.47x = 14,039,895.99
  5. Step 5: Solve for x
    x = 14,039,895.99/3,976.47
  6. Step 6: Final answer
    x = 3,530.74

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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.