Home / 3,219.51-4,441.61-1,959.56

Finding the Fourth Proportional to 3,219.51, 4,441.61 and 1,959.56

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Solution

The fourth proportional to 3,219.51, 4,441.61 and 1,959.56 is: 2,703.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.51 : 4,441.61 = 1,959.56 : x
  2. Step 2: Convert to fraction form
    3,219.51/4,441.61 = 1,959.56/x
  3. Step 3: Cross multiply
    3,219.51x = 4,441.61 × 1,959.56
  4. Step 4: Simplify right side
    3,219.51x = 8,703,600.64
  5. Step 5: Solve for x
    x = 8,703,600.64/3,219.51
  6. Step 6: Final answer
    x = 2,703.39

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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.