Home / 3,718.68-5,130.01-2,226.31

Finding the Fourth Proportional to 3,718.68, 5,130.01 and 2,226.31

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Solution

The fourth proportional to 3,718.68, 5,130.01 and 2,226.31 is: 3,071.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.68 : 5,130.01 = 2,226.31 : x
  2. Step 2: Convert to fraction form
    3,718.68/5,130.01 = 2,226.31/x
  3. Step 3: Cross multiply
    3,718.68x = 5,130.01 × 2,226.31
  4. Step 4: Simplify right side
    3,718.68x = 11,420,992.56
  5. Step 5: Solve for x
    x = 11,420,992.56/3,718.68
  6. Step 6: Final answer
    x = 3,071.25

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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.