Home / 3,276.18-4,520.55-1,931.85

Finding the Fourth Proportional to 3,276.18, 4,520.55 and 1,931.85

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Solution

The fourth proportional to 3,276.18, 4,520.55 and 1,931.85 is: 2,665.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.18 : 4,520.55 = 1,931.85 : x
  2. Step 2: Convert to fraction form
    3,276.18/4,520.55 = 1,931.85/x
  3. Step 3: Cross multiply
    3,276.18x = 4,520.55 × 1,931.85
  4. Step 4: Simplify right side
    3,276.18x = 8,733,024.52
  5. Step 5: Solve for x
    x = 8,733,024.52/3,276.18
  6. Step 6: Final answer
    x = 2,665.61

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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.