Home / 3,228.16-4,454.88-1,830.88

Finding the Fourth Proportional to 3,228.16, 4,454.88 and 1,830.88

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Solution

The fourth proportional to 3,228.16, 4,454.88 and 1,830.88 is: 2,526.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.16 : 4,454.88 = 1,830.88 : x
  2. Step 2: Convert to fraction form
    3,228.16/4,454.88 = 1,830.88/x
  3. Step 3: Cross multiply
    3,228.16x = 4,454.88 × 1,830.88
  4. Step 4: Simplify right side
    3,228.16x = 8,156,350.69
  5. Step 5: Solve for x
    x = 8,156,350.69/3,228.16
  6. Step 6: Final answer
    x = 2,526.63

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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.