Home / 3,722.49-5,582.89-1,089.45

Finding the Fourth Proportional to 3,722.49, 5,582.89 and 1,089.45

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Solution

The fourth proportional to 3,722.49, 5,582.89 and 1,089.45 is: 1,633.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.49 : 5,582.89 = 1,089.45 : x
  2. Step 2: Convert to fraction form
    3,722.49/5,582.89 = 1,089.45/x
  3. Step 3: Cross multiply
    3,722.49x = 5,582.89 × 1,089.45
  4. Step 4: Simplify right side
    3,722.49x = 6,082,279.51
  5. Step 5: Solve for x
    x = 6,082,279.51/3,722.49
  6. Step 6: Final answer
    x = 1,633.93

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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.