Home / 3,220.58-4,819.93-2,493.40

Finding the Fourth Proportional to 3,220.58, 4,819.93 and 2,493.40

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Solution

The fourth proportional to 3,220.58, 4,819.93 and 2,493.40 is: 3,731.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.58 : 4,819.93 = 2,493.40 : x
  2. Step 2: Convert to fraction form
    3,220.58/4,819.93 = 2,493.40/x
  3. Step 3: Cross multiply
    3,220.58x = 4,819.93 × 2,493.40
  4. Step 4: Simplify right side
    3,220.58x = 12,018,013.46
  5. Step 5: Solve for x
    x = 12,018,013.46/3,220.58
  6. Step 6: Final answer
    x = 3,731.63

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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.