Home / 1,603.36-2,405.27-1,578.34

Finding the Fourth Proportional to 1,603.36, 2,405.27 and 1,578.34

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Solution

The fourth proportional to 1,603.36, 2,405.27 and 1,578.34 is: 2,367.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603.36 : 2,405.27 = 1,578.34 : x
  2. Step 2: Convert to fraction form
    1,603.36/2,405.27 = 1,578.34/x
  3. Step 3: Cross multiply
    1,603.36x = 2,405.27 × 1,578.34
  4. Step 4: Simplify right side
    1,603.36x = 3,796,333.85
  5. Step 5: Solve for x
    x = 3,796,333.85/1,603.36
  6. Step 6: Final answer
    x = 2,367.74

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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.