Home / 3,521.39-5,282.85-1,056.42

Finding the Fourth Proportional to 3,521.39, 5,282.85 and 1,056.42

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Solution

The fourth proportional to 3,521.39, 5,282.85 and 1,056.42 is: 1,584.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.39 : 5,282.85 = 1,056.42 : x
  2. Step 2: Convert to fraction form
    3,521.39/5,282.85 = 1,056.42/x
  3. Step 3: Cross multiply
    3,521.39x = 5,282.85 × 1,056.42
  4. Step 4: Simplify right side
    3,521.39x = 5,580,908.40
  5. Step 5: Solve for x
    x = 5,580,908.40/3,521.39
  6. Step 6: Final answer
    x = 1,584.86

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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.