Home / 3,718.86-5,577.79-1,253.66

Finding the Fourth Proportional to 3,718.86, 5,577.79 and 1,253.66

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Solution

The fourth proportional to 3,718.86, 5,577.79 and 1,253.66 is: 1,880.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.86 : 5,577.79 = 1,253.66 : x
  2. Step 2: Convert to fraction form
    3,718.86/5,577.79 = 1,253.66/x
  3. Step 3: Cross multiply
    3,718.86x = 5,577.79 × 1,253.66
  4. Step 4: Simplify right side
    3,718.86x = 6,992,652.21
  5. Step 5: Solve for x
    x = 6,992,652.21/3,718.86
  6. Step 6: Final answer
    x = 1,880.32

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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.