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Finding the Fourth Proportional to 3,603.03, 5,404.52 and 1,410.21

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Solution

The fourth proportional to 3,603.03, 5,404.52 and 1,410.21 is: 2,115.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.03 : 5,404.52 = 1,410.21 : x
  2. Step 2: Convert to fraction form
    3,603.03/5,404.52 = 1,410.21/x
  3. Step 3: Cross multiply
    3,603.03x = 5,404.52 × 1,410.21
  4. Step 4: Simplify right side
    3,603.03x = 7,621,501.10
  5. Step 5: Solve for x
    x = 7,621,501.10/3,603.03
  6. Step 6: Final answer
    x = 2,115.30

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1.5x scale

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.