Home / 2,529.37-3,489.03-1,968.95

Finding the Fourth Proportional to 2,529.37, 3,489.03 and 1,968.95

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Solution

The fourth proportional to 2,529.37, 3,489.03 and 1,968.95 is: 2,715.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.37 : 3,489.03 = 1,968.95 : x
  2. Step 2: Convert to fraction form
    2,529.37/3,489.03 = 1,968.95/x
  3. Step 3: Cross multiply
    2,529.37x = 3,489.03 × 1,968.95
  4. Step 4: Simplify right side
    2,529.37x = 6,869,715.77
  5. Step 5: Solve for x
    x = 6,869,715.77/2,529.37
  6. Step 6: Final answer
    x = 2,715.98

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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.