Home / 3,219.40-4,829.10-2,176.03

Finding the Fourth Proportional to 3,219.40, 4,829.10 and 2,176.03

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Solution

The fourth proportional to 3,219.40, 4,829.10 and 2,176.03 is: 3,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.40 : 4,829.10 = 2,176.03 : x
  2. Step 2: Convert to fraction form
    3,219.40/4,829.10 = 2,176.03/x
  3. Step 3: Cross multiply
    3,219.40x = 4,829.10 × 2,176.03
  4. Step 4: Simplify right side
    3,219.40x = 10,508,266.47
  5. Step 5: Solve for x
    x = 10,508,266.47/3,219.40
  6. Step 6: Final answer
    x = 3,264.05

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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.