Home / 3,120.53-4,687.27-2,475.77

Finding the Fourth Proportional to 3,120.53, 4,687.27 and 2,475.77

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Solution

The fourth proportional to 3,120.53, 4,687.27 and 2,475.77 is: 3,718.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120.53 : 4,687.27 = 2,475.77 : x
  2. Step 2: Convert to fraction form
    3,120.53/4,687.27 = 2,475.77/x
  3. Step 3: Cross multiply
    3,120.53x = 4,687.27 × 2,475.77
  4. Step 4: Simplify right side
    3,120.53x = 11,604,572.82
  5. Step 5: Solve for x
    x = 11,604,572.82/3,120.53
  6. Step 6: Final answer
    x = 3,718.79

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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.