Home / 2,477.11-3,718.20-1,661.08

Finding the Fourth Proportional to 2,477.11, 3,718.20 and 1,661.08

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Solution

The fourth proportional to 2,477.11, 3,718.20 and 1,661.08 is: 2,493.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.11 : 3,718.20 = 1,661.08 : x
  2. Step 2: Convert to fraction form
    2,477.11/3,718.20 = 1,661.08/x
  3. Step 3: Cross multiply
    2,477.11x = 3,718.20 × 1,661.08
  4. Step 4: Simplify right side
    2,477.11x = 6,176,227.66
  5. Step 5: Solve for x
    x = 6,176,227.66/2,477.11
  6. Step 6: Final answer
    x = 2,493.32

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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.