Home / 1,577.24-2,366.21-481.51

Finding the Fourth Proportional to 1,577.24, 2,366.21 and 481.51

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Solution

The fourth proportional to 1,577.24, 2,366.21 and 481.51 is: 722.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577.24 : 2,366.21 = 481.51 : x
  2. Step 2: Convert to fraction form
    1,577.24/2,366.21 = 481.51/x
  3. Step 3: Cross multiply
    1,577.24x = 2,366.21 × 481.51
  4. Step 4: Simplify right side
    1,577.24x = 1,139,357.94
  5. Step 5: Solve for x
    x = 1,139,357.94/1,577.24
  6. Step 6: Final answer
    x = 722.38

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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.