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Finding the Fourth Proportional to 3,059.25, 4,588.92 and 750.75

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Solution

The fourth proportional to 3,059.25, 4,588.92 and 750.75 is: 1,126.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.25 : 4,588.92 = 750.75 : x
  2. Step 2: Convert to fraction form
    3,059.25/4,588.92 = 750.75/x
  3. Step 3: Cross multiply
    3,059.25x = 4,588.92 × 750.75
  4. Step 4: Simplify right side
    3,059.25x = 3,445,131.69
  5. Step 5: Solve for x
    x = 3,445,131.69/3,059.25
  6. Step 6: Final answer
    x = 1,126.14

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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.