Home / 3,225.75-4,829.45-2,126.76

Finding the Fourth Proportional to 3,225.75, 4,829.45 and 2,126.76

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Solution

The fourth proportional to 3,225.75, 4,829.45 and 2,126.76 is: 3,184.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.75 : 4,829.45 = 2,126.76 : x
  2. Step 2: Convert to fraction form
    3,225.75/4,829.45 = 2,126.76/x
  3. Step 3: Cross multiply
    3,225.75x = 4,829.45 × 2,126.76
  4. Step 4: Simplify right side
    3,225.75x = 10,271,070.45
  5. Step 5: Solve for x
    x = 10,271,070.45/3,225.75
  6. Step 6: Final answer
    x = 3,184.09

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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.