Home / 3,722.82-5,585.45-1,873.05

Finding the Fourth Proportional to 3,722.82, 5,585.45 and 1,873.05

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Solution

The fourth proportional to 3,722.82, 5,585.45 and 1,873.05 is: 2,810.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.82 : 5,585.45 = 1,873.05 : x
  2. Step 2: Convert to fraction form
    3,722.82/5,585.45 = 1,873.05/x
  3. Step 3: Cross multiply
    3,722.82x = 5,585.45 × 1,873.05
  4. Step 4: Simplify right side
    3,722.82x = 10,461,827.12
  5. Step 5: Solve for x
    x = 10,461,827.12/3,722.82
  6. Step 6: Final answer
    x = 2,810.19

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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.