Home / 3,041.57-4,196.39-1,980.51

Finding the Fourth Proportional to 3,041.57, 4,196.39 and 1,980.51

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Solution

The fourth proportional to 3,041.57, 4,196.39 and 1,980.51 is: 2,732.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,041.57 : 4,196.39 = 1,980.51 : x
  2. Step 2: Convert to fraction form
    3,041.57/4,196.39 = 1,980.51/x
  3. Step 3: Cross multiply
    3,041.57x = 4,196.39 × 1,980.51
  4. Step 4: Simplify right side
    3,041.57x = 8,310,997.31
  5. Step 5: Solve for x
    x = 8,310,997.31/3,041.57
  6. Step 6: Final answer
    x = 2,732.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.