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Finding the Fourth Proportional to 2,603.03, 3,904.38 and 754.10

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Solution

The fourth proportional to 2,603.03, 3,904.38 and 754.10 is: 1,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.03 : 3,904.38 = 754.10 : x
  2. Step 2: Convert to fraction form
    2,603.03/3,904.38 = 754.10/x
  3. Step 3: Cross multiply
    2,603.03x = 3,904.38 × 754.10
  4. Step 4: Simplify right side
    2,603.03x = 2,944,292.96
  5. Step 5: Solve for x
    x = 2,944,292.96/2,603.03
  6. Step 6: Final answer
    x = 1,131.10

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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.