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Finding the Fourth Proportional to 3,046.89, 4,570.35 and 738.39

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Solution

The fourth proportional to 3,046.89, 4,570.35 and 738.39 is: 1,107.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.89 : 4,570.35 = 738.39 : x
  2. Step 2: Convert to fraction form
    3,046.89/4,570.35 = 738.39/x
  3. Step 3: Cross multiply
    3,046.89x = 4,570.35 × 738.39
  4. Step 4: Simplify right side
    3,046.89x = 3,374,700.74
  5. Step 5: Solve for x
    x = 3,374,700.74/3,046.89
  6. Step 6: Final answer
    x = 1,107.59

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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.