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Finding the Fourth Proportional to 3,039.66, 4,560.26 and 848.39

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Solution

The fourth proportional to 3,039.66, 4,560.26 and 848.39 is: 1,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.66 : 4,560.26 = 848.39 : x
  2. Step 2: Convert to fraction form
    3,039.66/4,560.26 = 848.39/x
  3. Step 3: Cross multiply
    3,039.66x = 4,560.26 × 848.39
  4. Step 4: Simplify right side
    3,039.66x = 3,868,878.98
  5. Step 5: Solve for x
    x = 3,868,878.98/3,039.66
  6. Step 6: Final answer
    x = 1,272.80

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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.