Home / 3,679.04-5,519.32-1,214.01

Finding the Fourth Proportional to 3,679.04, 5,519.32 and 1,214.01

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Solution

The fourth proportional to 3,679.04, 5,519.32 and 1,214.01 is: 1,821.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.04 : 5,519.32 = 1,214.01 : x
  2. Step 2: Convert to fraction form
    3,679.04/5,519.32 = 1,214.01/x
  3. Step 3: Cross multiply
    3,679.04x = 5,519.32 × 1,214.01
  4. Step 4: Simplify right side
    3,679.04x = 6,700,509.67
  5. Step 5: Solve for x
    x = 6,700,509.67/3,679.04
  6. Step 6: Final answer
    x = 1,821.27

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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.