Home / 3,722.70-5,582.40-1,125.06

Finding the Fourth Proportional to 3,722.70, 5,582.40 and 1,125.06

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Solution

The fourth proportional to 3,722.70, 5,582.40 and 1,125.06 is: 1,687.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.70 : 5,582.40 = 1,125.06 : x
  2. Step 2: Convert to fraction form
    3,722.70/5,582.40 = 1,125.06/x
  3. Step 3: Cross multiply
    3,722.70x = 5,582.40 × 1,125.06
  4. Step 4: Simplify right side
    3,722.70x = 6,280,534.94
  5. Step 5: Solve for x
    x = 6,280,534.94/3,722.70
  6. Step 6: Final answer
    x = 1,687.09

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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.