Home / 2,989.70-4,483.94-2,841.51

Finding the Fourth Proportional to 2,989.70, 4,483.94 and 2,841.51

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Solution

The fourth proportional to 2,989.70, 4,483.94 and 2,841.51 is: 4,261.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.70 : 4,483.94 = 2,841.51 : x
  2. Step 2: Convert to fraction form
    2,989.70/4,483.94 = 2,841.51/x
  3. Step 3: Cross multiply
    2,989.70x = 4,483.94 × 2,841.51
  4. Step 4: Simplify right side
    2,989.70x = 12,741,153.09
  5. Step 5: Solve for x
    x = 12,741,153.09/2,989.70
  6. Step 6: Final answer
    x = 4,261.69

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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.