Home / 3,603.72-5,405.55-2,435.70

Finding the Fourth Proportional to 3,603.72, 5,405.55 and 2,435.70

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Solution

The fourth proportional to 3,603.72, 5,405.55 and 2,435.70 is: 3,653.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.72 : 5,405.55 = 2,435.70 : x
  2. Step 2: Convert to fraction form
    3,603.72/5,405.55 = 2,435.70/x
  3. Step 3: Cross multiply
    3,603.72x = 5,405.55 × 2,435.70
  4. Step 4: Simplify right side
    3,603.72x = 13,166,298.14
  5. Step 5: Solve for x
    x = 13,166,298.14/3,603.72
  6. Step 6: Final answer
    x = 3,653.53

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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.