Home / 3,927.18-5,417.21-2,529.93

Finding the Fourth Proportional to 3,927.18, 5,417.21 and 2,529.93

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Solution

The fourth proportional to 3,927.18, 5,417.21 and 2,529.93 is: 3,489.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.18 : 5,417.21 = 2,529.93 : x
  2. Step 2: Convert to fraction form
    3,927.18/5,417.21 = 2,529.93/x
  3. Step 3: Cross multiply
    3,927.18x = 5,417.21 × 2,529.93
  4. Step 4: Simplify right side
    3,927.18x = 13,705,188.73
  5. Step 5: Solve for x
    x = 13,705,188.73/3,927.18
  6. Step 6: Final answer
    x = 3,489.83

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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.