Home / 3,721.18-5,582.70-1,873.30

Finding the Fourth Proportional to 3,721.18, 5,582.70 and 1,873.30

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Solution

The fourth proportional to 3,721.18, 5,582.70 and 1,873.30 is: 2,810.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.18 : 5,582.70 = 1,873.30 : x
  2. Step 2: Convert to fraction form
    3,721.18/5,582.70 = 1,873.30/x
  3. Step 3: Cross multiply
    3,721.18x = 5,582.70 × 1,873.30
  4. Step 4: Simplify right side
    3,721.18x = 10,458,071.91
  5. Step 5: Solve for x
    x = 10,458,071.91/3,721.18
  6. Step 6: Final answer
    x = 2,810.42

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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.