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Finding the Fourth Proportional to 3,070.35, 4,604.44 and 878.49

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Solution

The fourth proportional to 3,070.35, 4,604.44 and 878.49 is: 1,317.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.35 : 4,604.44 = 878.49 : x
  2. Step 2: Convert to fraction form
    3,070.35/4,604.44 = 878.49/x
  3. Step 3: Cross multiply
    3,070.35x = 4,604.44 × 878.49
  4. Step 4: Simplify right side
    3,070.35x = 4,044,954.50
  5. Step 5: Solve for x
    x = 4,044,954.50/3,070.35
  6. Step 6: Final answer
    x = 1,317.42

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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.