Home / 3,500.55-4,830.67-1,928.61

Finding the Fourth Proportional to 3,500.55, 4,830.67 and 1,928.61

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Solution

The fourth proportional to 3,500.55, 4,830.67 and 1,928.61 is: 2,661.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.55 : 4,830.67 = 1,928.61 : x
  2. Step 2: Convert to fraction form
    3,500.55/4,830.67 = 1,928.61/x
  3. Step 3: Cross multiply
    3,500.55x = 4,830.67 × 1,928.61
  4. Step 4: Simplify right side
    3,500.55x = 9,316,480.88
  5. Step 5: Solve for x
    x = 9,316,480.88/3,500.55
  6. Step 6: Final answer
    x = 2,661.43

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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.