Home / 2,385.23-3,578.58-741.96

Finding the Fourth Proportional to 2,385.23, 3,578.58 and 741.96

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Solution

The fourth proportional to 2,385.23, 3,578.58 and 741.96 is: 1,113.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.23 : 3,578.58 = 741.96 : x
  2. Step 2: Convert to fraction form
    2,385.23/3,578.58 = 741.96/x
  3. Step 3: Cross multiply
    2,385.23x = 3,578.58 × 741.96
  4. Step 4: Simplify right side
    2,385.23x = 2,655,163.22
  5. Step 5: Solve for x
    x = 2,655,163.22/2,385.23
  6. Step 6: Final answer
    x = 1,113.17

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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.