Home / 3,592.12-5,384.94-1,282

Finding the Fourth Proportional to 3,592.12, 5,384.94 and 1,282

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Solution

The fourth proportional to 3,592.12, 5,384.94 and 1,282 is: 1,921.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,592.12 : 5,384.94 = 1,282 : x
  2. Step 2: Convert to fraction form
    3,592.12/5,384.94 = 1,282/x
  3. Step 3: Cross multiply
    3,592.12x = 5,384.94 × 1,282
  4. Step 4: Simplify right side
    3,592.12x = 6,903,493.08
  5. Step 5: Solve for x
    x = 6,903,493.08/3,592.12
  6. Step 6: Final answer
    x = 1,921.84

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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.