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Finding the Fourth Proportional to 2,603.26, 3,904.84 and 754.30

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Solution

The fourth proportional to 2,603.26, 3,904.84 and 754.30 is: 1,131.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.26 : 3,904.84 = 754.30 : x
  2. Step 2: Convert to fraction form
    2,603.26/3,904.84 = 754.30/x
  3. Step 3: Cross multiply
    2,603.26x = 3,904.84 × 754.30
  4. Step 4: Simplify right side
    2,603.26x = 2,945,420.81
  5. Step 5: Solve for x
    x = 2,945,420.81/2,603.26
  6. Step 6: Final answer
    x = 1,131.44

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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.