Home / 3,976.95-5,488.29-2,184.51

Finding the Fourth Proportional to 3,976.95, 5,488.29 and 2,184.51

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Solution

The fourth proportional to 3,976.95, 5,488.29 and 2,184.51 is: 3,014.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.95 : 5,488.29 = 2,184.51 : x
  2. Step 2: Convert to fraction form
    3,976.95/5,488.29 = 2,184.51/x
  3. Step 3: Cross multiply
    3,976.95x = 5,488.29 × 2,184.51
  4. Step 4: Simplify right side
    3,976.95x = 11,989,224.39
  5. Step 5: Solve for x
    x = 11,989,224.39/3,976.95
  6. Step 6: Final answer
    x = 3,014.68

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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.