Home / 3,735.40-5,603.08-1,138.36

Finding the Fourth Proportional to 3,735.40, 5,603.08 and 1,138.36

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Solution

The fourth proportional to 3,735.40, 5,603.08 and 1,138.36 is: 1,707.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,735.40 : 5,603.08 = 1,138.36 : x
  2. Step 2: Convert to fraction form
    3,735.40/5,603.08 = 1,138.36/x
  3. Step 3: Cross multiply
    3,735.40x = 5,603.08 × 1,138.36
  4. Step 4: Simplify right side
    3,735.40x = 6,378,322.15
  5. Step 5: Solve for x
    x = 6,378,322.15/3,735.40
  6. Step 6: Final answer
    x = 1,707.53

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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.