Home / 3,721.53-5,581.64-1,053.30

Finding the Fourth Proportional to 3,721.53, 5,581.64 and 1,053.30

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Solution

The fourth proportional to 3,721.53, 5,581.64 and 1,053.30 is: 1,579.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.53 : 5,581.64 = 1,053.30 : x
  2. Step 2: Convert to fraction form
    3,721.53/5,581.64 = 1,053.30/x
  3. Step 3: Cross multiply
    3,721.53x = 5,581.64 × 1,053.30
  4. Step 4: Simplify right side
    3,721.53x = 5,879,116.14
  5. Step 5: Solve for x
    x = 5,879,116.14/3,721.53
  6. Step 6: Final answer
    x = 1,579.76

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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.