Home / 4,074.28-6,109.90-1,608.28

Finding the Fourth Proportional to 4,074.28, 6,109.90 and 1,608.28

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Solution

The fourth proportional to 4,074.28, 6,109.90 and 1,608.28 is: 2,411.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074.28 : 6,109.90 = 1,608.28 : x
  2. Step 2: Convert to fraction form
    4,074.28/6,109.90 = 1,608.28/x
  3. Step 3: Cross multiply
    4,074.28x = 6,109.90 × 1,608.28
  4. Step 4: Simplify right side
    4,074.28x = 9,826,429.97
  5. Step 5: Solve for x
    x = 9,826,429.97/4,074.28
  6. Step 6: Final answer
    x = 2,411.82

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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.