Home / 3,390.33-4,672.74-2,759.52

Finding the Fourth Proportional to 3,390.33, 4,672.74 and 2,759.52

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Solution

The fourth proportional to 3,390.33, 4,672.74 and 2,759.52 is: 3,803.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.33 : 4,672.74 = 2,759.52 : x
  2. Step 2: Convert to fraction form
    3,390.33/4,672.74 = 2,759.52/x
  3. Step 3: Cross multiply
    3,390.33x = 4,672.74 × 2,759.52
  4. Step 4: Simplify right side
    3,390.33x = 12,894,505.55
  5. Step 5: Solve for x
    x = 12,894,505.55/3,390.33
  6. Step 6: Final answer
    x = 3,803.32

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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.