Home / 4,099.28-6,149.28-1,759.40

Finding the Fourth Proportional to 4,099.28, 6,149.28 and 1,759.40

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Solution

The fourth proportional to 4,099.28, 6,149.28 and 1,759.40 is: 2,639.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.28 : 6,149.28 = 1,759.40 : x
  2. Step 2: Convert to fraction form
    4,099.28/6,149.28 = 1,759.40/x
  3. Step 3: Cross multiply
    4,099.28x = 6,149.28 × 1,759.40
  4. Step 4: Simplify right side
    4,099.28x = 10,819,043.23
  5. Step 5: Solve for x
    x = 10,819,043.23/4,099.28
  6. Step 6: Final answer
    x = 2,639.25

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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.