Home / 3,280.35-4,922.58-1,332.57

Finding the Fourth Proportional to 3,280.35, 4,922.58 and 1,332.57

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Solution

The fourth proportional to 3,280.35, 4,922.58 and 1,332.57 is: 1,999.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.35 : 4,922.58 = 1,332.57 : x
  2. Step 2: Convert to fraction form
    3,280.35/4,922.58 = 1,332.57/x
  3. Step 3: Cross multiply
    3,280.35x = 4,922.58 × 1,332.57
  4. Step 4: Simplify right side
    3,280.35x = 6,559,682.43
  5. Step 5: Solve for x
    x = 6,559,682.43/3,280.35
  6. Step 6: Final answer
    x = 1,999.69

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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.