Home / 3,727.04-5,589.36-1,778

Finding the Fourth Proportional to 3,727.04, 5,589.36 and 1,778

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Solution

The fourth proportional to 3,727.04, 5,589.36 and 1,778 is: 2,666.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.04 : 5,589.36 = 1,778 : x
  2. Step 2: Convert to fraction form
    3,727.04/5,589.36 = 1,778/x
  3. Step 3: Cross multiply
    3,727.04x = 5,589.36 × 1,778
  4. Step 4: Simplify right side
    3,727.04x = 9,937,882.08
  5. Step 5: Solve for x
    x = 9,937,882.08/3,727.04
  6. Step 6: Final answer
    x = 2,666.43

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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.