Home / 3,953.04-5,921.88-2,222.80

Finding the Fourth Proportional to 3,953.04, 5,921.88 and 2,222.80

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Solution

The fourth proportional to 3,953.04, 5,921.88 and 2,222.80 is: 3,329.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.04 : 5,921.88 = 2,222.80 : x
  2. Step 2: Convert to fraction form
    3,953.04/5,921.88 = 2,222.80/x
  3. Step 3: Cross multiply
    3,953.04x = 5,921.88 × 2,222.80
  4. Step 4: Simplify right side
    3,953.04x = 13,163,154.86
  5. Step 5: Solve for x
    x = 13,163,154.86/3,953.04
  6. Step 6: Final answer
    x = 3,329.88

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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.