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Finding the Fourth Proportional to 3,062.81, 4,594.22 and 754.31

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Solution

The fourth proportional to 3,062.81, 4,594.22 and 754.31 is: 1,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.81 : 4,594.22 = 754.31 : x
  2. Step 2: Convert to fraction form
    3,062.81/4,594.22 = 754.31/x
  3. Step 3: Cross multiply
    3,062.81x = 4,594.22 × 754.31
  4. Step 4: Simplify right side
    3,062.81x = 3,465,476.63
  5. Step 5: Solve for x
    x = 3,465,476.63/3,062.81
  6. Step 6: Final answer
    x = 1,131.47

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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.