Home / 1,035.05-1,551.92-441.36

Finding the Fourth Proportional to 1,035.05, 1,551.92 and 441.36

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Solution

The fourth proportional to 1,035.05, 1,551.92 and 441.36 is: 661.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.05 : 1,551.92 = 441.36 : x
  2. Step 2: Convert to fraction form
    1,035.05/1,551.92 = 441.36/x
  3. Step 3: Cross multiply
    1,035.05x = 1,551.92 × 441.36
  4. Step 4: Simplify right side
    1,035.05x = 684,953.20
  5. Step 5: Solve for x
    x = 684,953.20/1,035.05
  6. Step 6: Final answer
    x = 661.76

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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.